Home / 3,109,147.13-4,663,277.80-979,175.86

Finding the Fourth Proportional to 3,109,147.13, 4,663,277.80 and 979,175.86

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Solution

The fourth proportional to 3,109,147.13, 4,663,277.80 and 979,175.86 is: 1,468,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,147.13 : 4,663,277.80 = 979,175.86 : x
  2. Step 2: Convert to fraction form
    3,109,147.13/4,663,277.80 = 979,175.86/x
  3. Step 3: Cross multiply
    3,109,147.13x = 4,663,277.80 × 979,175.86
  4. Step 4: Simplify right side
    3,109,147.13x = 4,566,169,036,127.77
  5. Step 5: Solve for x
    x = 4,566,169,036,127.77/3,109,147.13
  6. Step 6: Final answer
    x = 1,468,624.30

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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.