Home / 3,988,267.08-5,981,145.82-1,291,966.72

Finding the Fourth Proportional to 3,988,267.08, 5,981,145.82 and 1,291,966.72

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Solution

The fourth proportional to 3,988,267.08, 5,981,145.82 and 1,291,966.72 is: 1,937,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,267.08 : 5,981,145.82 = 1,291,966.72 : x
  2. Step 2: Convert to fraction form
    3,988,267.08/5,981,145.82 = 1,291,966.72/x
  3. Step 3: Cross multiply
    3,988,267.08x = 5,981,145.82 × 1,291,966.72
  4. Step 4: Simplify right side
    3,988,267.08x = 7,727,441,346,907.11
  5. Step 5: Solve for x
    x = 7,727,441,346,907.11/3,988,267.08
  6. Step 6: Final answer
    x = 1,937,543.60

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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.