Home / 4,654,310.40-6,981,465.60-3,219,419.70

Finding the Fourth Proportional to 4,654,310.40, 6,981,465.60 and 3,219,419.70

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Solution

The fourth proportional to 4,654,310.40, 6,981,465.60 and 3,219,419.70 is: 4,829,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654,310.40 : 6,981,465.60 = 3,219,419.70 : x
  2. Step 2: Convert to fraction form
    4,654,310.40/6,981,465.60 = 3,219,419.70/x
  3. Step 3: Cross multiply
    4,654,310.40x = 6,981,465.60 × 3,219,419.70
  4. Step 4: Simplify right side
    4,654,310.40x = 22,476,267,887,512.32
  5. Step 5: Solve for x
    x = 22,476,267,887,512.32/4,654,310.40
  6. Step 6: Final answer
    x = 4,829,129.55

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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.