Home / 3,901,874.28-5,854,677.66-1,378,717.80

Finding the Fourth Proportional to 3,901,874.28, 5,854,677.66 and 1,378,717.80

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Solution

The fourth proportional to 3,901,874.28, 5,854,677.66 and 1,378,717.80 is: 2,068,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,874.28 : 5,854,677.66 = 1,378,717.80 : x
  2. Step 2: Convert to fraction form
    3,901,874.28/5,854,677.66 = 1,378,717.80/x
  3. Step 3: Cross multiply
    3,901,874.28x = 5,854,677.66 × 1,378,717.80
  4. Step 4: Simplify right side
    3,901,874.28x = 8,071,948,303,104.35
  5. Step 5: Solve for x
    x = 8,071,948,303,104.35/3,901,874.28
  6. Step 6: Final answer
    x = 2,068,736.13

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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.