Home / 5,280,337.74-7,285,617.14-2,988,498.43

Finding the Fourth Proportional to 5,280,337.74, 7,285,617.14 and 2,988,498.43

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Solution

The fourth proportional to 5,280,337.74, 7,285,617.14 and 2,988,498.43 is: 4,123,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,337.74 : 7,285,617.14 = 2,988,498.43 : x
  2. Step 2: Convert to fraction form
    5,280,337.74/7,285,617.14 = 2,988,498.43/x
  3. Step 3: Cross multiply
    5,280,337.74x = 7,285,617.14 × 2,988,498.43
  4. Step 4: Simplify right side
    5,280,337.74x = 21,773,055,384,471.09
  5. Step 5: Solve for x
    x = 21,773,055,384,471.09/5,280,337.74
  6. Step 6: Final answer
    x = 4,123,420.97

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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.