Home / 2,811,487.86-4,217,194.52-681,591.24

Finding the Fourth Proportional to 2,811,487.86, 4,217,194.52 and 681,591.24

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Solution

The fourth proportional to 2,811,487.86, 4,217,194.52 and 681,591.24 is: 1,022,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,487.86 : 4,217,194.52 = 681,591.24 : x
  2. Step 2: Convert to fraction form
    2,811,487.86/4,217,194.52 = 681,591.24/x
  3. Step 3: Cross multiply
    2,811,487.86x = 4,217,194.52 × 681,591.24
  4. Step 4: Simplify right side
    2,811,487.86x = 2,874,402,842,208.00
  5. Step 5: Solve for x
    x = 2,874,402,842,208.00/2,811,487.86
  6. Step 6: Final answer
    x = 1,022,377.82

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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.