Home / 2,578,275.17-3,867,458.89-781,158.85

Finding the Fourth Proportional to 2,578,275.17, 3,867,458.89 and 781,158.85

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Solution

The fourth proportional to 2,578,275.17, 3,867,458.89 and 781,158.85 is: 1,171,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,275.17 : 3,867,458.89 = 781,158.85 : x
  2. Step 2: Convert to fraction form
    2,578,275.17/3,867,458.89 = 781,158.85/x
  3. Step 3: Cross multiply
    2,578,275.17x = 3,867,458.89 × 781,158.85
  4. Step 4: Simplify right side
    2,578,275.17x = 3,021,099,738,934.68
  5. Step 5: Solve for x
    x = 3,021,099,738,934.68/2,578,275.17
  6. Step 6: Final answer
    x = 1,171,752.25

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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.