Home / 5,381,470.20-8,068,187.70-3,251,105.40

Finding the Fourth Proportional to 5,381,470.20, 8,068,187.70 and 3,251,105.40

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Solution

The fourth proportional to 5,381,470.20, 8,068,187.70 and 3,251,105.40 is: 4,874,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,470.20 : 8,068,187.70 = 3,251,105.40 : x
  2. Step 2: Convert to fraction form
    5,381,470.20/8,068,187.70 = 3,251,105.40/x
  3. Step 3: Cross multiply
    5,381,470.20x = 8,068,187.70 × 3,251,105.40
  4. Step 4: Simplify right side
    5,381,470.20x = 26,230,528,599,683.58
  5. Step 5: Solve for x
    x = 26,230,528,599,683.58/5,381,470.20
  6. Step 6: Final answer
    x = 4,874,230.95

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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.