Home / 5,151,855.60-7,728,658.20-2,755,049.40

Finding the Fourth Proportional to 5,151,855.60, 7,728,658.20 and 2,755,049.40

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Solution

The fourth proportional to 5,151,855.60, 7,728,658.20 and 2,755,049.40 is: 4,133,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,855.60 : 7,728,658.20 = 2,755,049.40 : x
  2. Step 2: Convert to fraction form
    5,151,855.60/7,728,658.20 = 2,755,049.40/x
  3. Step 3: Cross multiply
    5,151,855.60x = 7,728,658.20 × 2,755,049.40
  4. Step 4: Simplify right side
    5,151,855.60x = 21,292,835,136,715.08
  5. Step 5: Solve for x
    x = 21,292,835,136,715.08/5,151,855.60
  6. Step 6: Final answer
    x = 4,133,041.92

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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.