Home / 3,231,497.40-4,847,246.10-987,631.80

Finding the Fourth Proportional to 3,231,497.40, 4,847,246.10 and 987,631.80

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Solution

The fourth proportional to 3,231,497.40, 4,847,246.10 and 987,631.80 is: 1,481,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,497.40 : 4,847,246.10 = 987,631.80 : x
  2. Step 2: Convert to fraction form
    3,231,497.40/4,847,246.10 = 987,631.80/x
  3. Step 3: Cross multiply
    3,231,497.40x = 4,847,246.10 × 987,631.80
  4. Step 4: Simplify right side
    3,231,497.40x = 4,787,294,390,785.98
  5. Step 5: Solve for x
    x = 4,787,294,390,785.98/3,231,497.40
  6. Step 6: Final answer
    x = 1,481,447.70

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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.