Home / 2,689,125.90-4,033,688.85-2,080,265.10

Finding the Fourth Proportional to 2,689,125.90, 4,033,688.85 and 2,080,265.10

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Solution

The fourth proportional to 2,689,125.90, 4,033,688.85 and 2,080,265.10 is: 3,120,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,125.90 : 4,033,688.85 = 2,080,265.10 : x
  2. Step 2: Convert to fraction form
    2,689,125.90/4,033,688.85 = 2,080,265.10/x
  3. Step 3: Cross multiply
    2,689,125.90x = 4,033,688.85 × 2,080,265.10
  4. Step 4: Simplify right side
    2,689,125.90x = 8,391,142,138,914.14
  5. Step 5: Solve for x
    x = 8,391,142,138,914.14/2,689,125.90
  6. Step 6: Final answer
    x = 3,120,397.65

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Double scale
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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.