Home / 7,177,601.20-10,766,984.88-2,128,897.12

Finding the Fourth Proportional to 7,177,601.20, 10,766,984.88 and 2,128,897.12

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Solution

The fourth proportional to 7,177,601.20, 10,766,984.88 and 2,128,897.12 is: 3,193,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177,601.20 : 10,766,984.88 = 2,128,897.12 : x
  2. Step 2: Convert to fraction form
    7,177,601.20/10,766,984.88 = 2,128,897.12/x
  3. Step 3: Cross multiply
    7,177,601.20x = 10,766,984.88 × 2,128,897.12
  4. Step 4: Simplify right side
    7,177,601.20x = 22,921,803,102,115.55
  5. Step 5: Solve for x
    x = 22,921,803,102,115.55/7,177,601.20
  6. Step 6: Final answer
    x = 3,193,518.62

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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.