Home / 6,319,257.66-8,720,539.65-3,418,640.10

Finding the Fourth Proportional to 6,319,257.66, 8,720,539.65 and 3,418,640.10

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Solution

The fourth proportional to 6,319,257.66, 8,720,539.65 and 3,418,640.10 is: 4,717,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319,257.66 : 8,720,539.65 = 3,418,640.10 : x
  2. Step 2: Convert to fraction form
    6,319,257.66/8,720,539.65 = 3,418,640.10/x
  3. Step 3: Cross multiply
    6,319,257.66x = 8,720,539.65 × 3,418,640.10
  4. Step 4: Simplify right side
    6,319,257.66x = 29,812,386,541,129.97
  5. Step 5: Solve for x
    x = 29,812,386,541,129.97/6,319,257.66
  6. Step 6: Final answer
    x = 4,717,703.91

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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.