Home / 5,431,038.90-8,151,151.05-2,238,456.30

Finding the Fourth Proportional to 5,431,038.90, 8,151,151.05 and 2,238,456.30

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Solution

The fourth proportional to 5,431,038.90, 8,151,151.05 and 2,238,456.30 is: 3,359,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,038.90 : 8,151,151.05 = 2,238,456.30 : x
  2. Step 2: Convert to fraction form
    5,431,038.90/8,151,151.05 = 2,238,456.30/x
  3. Step 3: Cross multiply
    5,431,038.90x = 8,151,151.05 × 2,238,456.30
  4. Step 4: Simplify right side
    5,431,038.90x = 18,245,995,420,124.11
  5. Step 5: Solve for x
    x = 18,245,995,420,124.11/5,431,038.90
  6. Step 6: Final answer
    x = 3,359,577.38

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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.