Home / 4,214,218.39-5,815,636.68-2,280,478.76

Finding the Fourth Proportional to 4,214,218.39, 5,815,636.68 and 2,280,478.76

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Solution

The fourth proportional to 4,214,218.39, 5,815,636.68 and 2,280,478.76 is: 3,147,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214,218.39 : 5,815,636.68 = 2,280,478.76 : x
  2. Step 2: Convert to fraction form
    4,214,218.39/5,815,636.68 = 2,280,478.76/x
  3. Step 3: Cross multiply
    4,214,218.39x = 5,815,636.68 × 2,280,478.76
  4. Step 4: Simplify right side
    4,214,218.39x = 13,262,435,925,899.17
  5. Step 5: Solve for x
    x = 13,262,435,925,899.17/4,214,218.39
  6. Step 6: Final answer
    x = 3,147,068.97

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Double scale
Find fourth proportional to 4,214,219.39, 5,815,638.06 and 2,280,479.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.