Home / 3,117,671.71-4,676,452.11-987,700.47

Finding the Fourth Proportional to 3,117,671.71, 4,676,452.11 and 987,700.47

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Solution

The fourth proportional to 3,117,671.71, 4,676,452.11 and 987,700.47 is: 1,481,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,671.71 : 4,676,452.11 = 987,700.47 : x
  2. Step 2: Convert to fraction form
    3,117,671.71/4,676,452.11 = 987,700.47/x
  3. Step 3: Cross multiply
    3,117,671.71x = 4,676,452.11 × 987,700.47
  4. Step 4: Simplify right side
    3,117,671.71x = 4,618,933,946,979.49
  5. Step 5: Solve for x
    x = 4,618,933,946,979.49/3,117,671.71
  6. Step 6: Final answer
    x = 1,481,533.14

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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.