Home / 3,129,057.50-4,695,560.76-1,331,938.22

Finding the Fourth Proportional to 3,129,057.50, 4,695,560.76 and 1,331,938.22

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Solution

The fourth proportional to 3,129,057.50, 4,695,560.76 and 1,331,938.22 is: 1,998,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,057.50 : 4,695,560.76 = 1,331,938.22 : x
  2. Step 2: Convert to fraction form
    3,129,057.50/4,695,560.76 = 1,331,938.22/x
  3. Step 3: Cross multiply
    3,129,057.50x = 4,695,560.76 × 1,331,938.22
  4. Step 4: Simplify right side
    3,129,057.50x = 6,254,196,840,576.25
  5. Step 5: Solve for x
    x = 6,254,196,840,576.25/3,129,057.50
  6. Step 6: Final answer
    x = 1,998,747.81

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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.