Home / 5,390,214.70-8,085,322.05-4,433,620.90

Finding the Fourth Proportional to 5,390,214.70, 8,085,322.05 and 4,433,620.90

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Solution

The fourth proportional to 5,390,214.70, 8,085,322.05 and 4,433,620.90 is: 6,650,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,214.70 : 8,085,322.05 = 4,433,620.90 : x
  2. Step 2: Convert to fraction form
    5,390,214.70/8,085,322.05 = 4,433,620.90/x
  3. Step 3: Cross multiply
    5,390,214.70x = 8,085,322.05 × 4,433,620.90
  4. Step 4: Simplify right side
    5,390,214.70x = 35,847,252,824,110.84
  5. Step 5: Solve for x
    x = 35,847,252,824,110.84/5,390,214.70
  6. Step 6: Final answer
    x = 6,650,431.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.