Home / 3,108,835.12-4,663,419.12-979,085.08

Finding the Fourth Proportional to 3,108,835.12, 4,663,419.12 and 979,085.08

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Solution

The fourth proportional to 3,108,835.12, 4,663,419.12 and 979,085.08 is: 1,468,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,835.12 : 4,663,419.12 = 979,085.08 : x
  2. Step 2: Convert to fraction form
    3,108,835.12/4,663,419.12 = 979,085.08/x
  3. Step 3: Cross multiply
    3,108,835.12x = 4,663,419.12 × 979,085.08
  4. Step 4: Simplify right side
    3,108,835.12x = 4,565,884,082,178.73
  5. Step 5: Solve for x
    x = 4,565,884,082,178.73/3,108,835.12
  6. Step 6: Final answer
    x = 1,468,680.04

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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.