Home / 5,187,007.73-7,780,885.31-1,992,133.95

Finding the Fourth Proportional to 5,187,007.73, 7,780,885.31 and 1,992,133.95

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Solution

The fourth proportional to 5,187,007.73, 7,780,885.31 and 1,992,133.95 is: 2,988,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,007.73 : 7,780,885.31 = 1,992,133.95 : x
  2. Step 2: Convert to fraction form
    5,187,007.73/7,780,885.31 = 1,992,133.95/x
  3. Step 3: Cross multiply
    5,187,007.73x = 7,780,885.31 × 1,992,133.95
  4. Step 4: Simplify right side
    5,187,007.73x = 15,500,565,762,909.29
  5. Step 5: Solve for x
    x = 15,500,565,762,909.29/5,187,007.73
  6. Step 6: Final answer
    x = 2,988,344.45

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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.