Home / 3,181,472.75-4,390,395.49-1,731,143.20

Finding the Fourth Proportional to 3,181,472.75, 4,390,395.49 and 1,731,143.20

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Solution

The fourth proportional to 3,181,472.75, 4,390,395.49 and 1,731,143.20 is: 2,388,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,472.75 : 4,390,395.49 = 1,731,143.20 : x
  2. Step 2: Convert to fraction form
    3,181,472.75/4,390,395.49 = 1,731,143.20/x
  3. Step 3: Cross multiply
    3,181,472.75x = 4,390,395.49 × 1,731,143.20
  4. Step 4: Simplify right side
    3,181,472.75x = 7,600,403,297,824.17
  5. Step 5: Solve for x
    x = 7,600,403,297,824.17/3,181,472.75
  6. Step 6: Final answer
    x = 2,388,957.53

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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.