Home / 6,528,302.20-9,780,789.30-3,155,073.40

Finding the Fourth Proportional to 6,528,302.20, 9,780,789.30 and 3,155,073.40

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Solution

The fourth proportional to 6,528,302.20, 9,780,789.30 and 3,155,073.40 is: 4,726,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,302.20 : 9,780,789.30 = 3,155,073.40 : x
  2. Step 2: Convert to fraction form
    6,528,302.20/9,780,789.30 = 3,155,073.40/x
  3. Step 3: Cross multiply
    6,528,302.20x = 9,780,789.30 × 3,155,073.40
  4. Step 4: Simplify right side
    6,528,302.20x = 30,859,108,151,434.62
  5. Step 5: Solve for x
    x = 30,859,108,151,434.62/6,528,302.20
  6. Step 6: Final answer
    x = 4,726,972.99

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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.