Home / 4,382,087.10-6,573,130.65-1,390,271.10

Finding the Fourth Proportional to 4,382,087.10, 6,573,130.65 and 1,390,271.10

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Solution

The fourth proportional to 4,382,087.10, 6,573,130.65 and 1,390,271.10 is: 2,085,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382,087.10 : 6,573,130.65 = 1,390,271.10 : x
  2. Step 2: Convert to fraction form
    4,382,087.10/6,573,130.65 = 1,390,271.10/x
  3. Step 3: Cross multiply
    4,382,087.10x = 6,573,130.65 × 1,390,271.10
  4. Step 4: Simplify right side
    4,382,087.10x = 9,138,433,579,219.22
  5. Step 5: Solve for x
    x = 9,138,433,579,219.22/4,382,087.10
  6. Step 6: Final answer
    x = 2,085,406.65

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Double scale
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Similar ratio
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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.