Home / 3,914,650.38-5,402,206.46-2,172,582.78

Finding the Fourth Proportional to 3,914,650.38, 5,402,206.46 and 2,172,582.78

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Solution

The fourth proportional to 3,914,650.38, 5,402,206.46 and 2,172,582.78 is: 2,998,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,650.38 : 5,402,206.46 = 2,172,582.78 : x
  2. Step 2: Convert to fraction form
    3,914,650.38/5,402,206.46 = 2,172,582.78/x
  3. Step 3: Cross multiply
    3,914,650.38x = 5,402,206.46 × 2,172,582.78
  4. Step 4: Simplify right side
    3,914,650.38x = 11,736,740,729,000.76
  5. Step 5: Solve for x
    x = 11,736,740,729,000.76/3,914,650.38
  6. Step 6: Final answer
    x = 2,998,158.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.