Home / 5,280,335.62-7,285,614.22-2,988,496.31

Finding the Fourth Proportional to 5,280,335.62, 7,285,614.22 and 2,988,496.31

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Solution

The fourth proportional to 5,280,335.62, 7,285,614.22 and 2,988,496.31 is: 4,123,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,335.62 : 7,285,614.22 = 2,988,496.31 : x
  2. Step 2: Convert to fraction form
    5,280,335.62/7,285,614.22 = 2,988,496.31/x
  3. Step 3: Cross multiply
    5,280,335.62x = 7,285,614.22 × 2,988,496.31
  4. Step 4: Simplify right side
    5,280,335.62x = 21,773,031,179,861.08
  5. Step 5: Solve for x
    x = 21,773,031,179,861.08/5,280,335.62
  6. Step 6: Final answer
    x = 4,123,418.05

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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.