Home / 3,620,823.12-5,431,898.88-1,192,114.80

Finding the Fourth Proportional to 3,620,823.12, 5,431,898.88 and 1,192,114.80

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Solution

The fourth proportional to 3,620,823.12, 5,431,898.88 and 1,192,114.80 is: 1,788,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,823.12 : 5,431,898.88 = 1,192,114.80 : x
  2. Step 2: Convert to fraction form
    3,620,823.12/5,431,898.88 = 1,192,114.80/x
  3. Step 3: Cross multiply
    3,620,823.12x = 5,431,898.88 × 1,192,114.80
  4. Step 4: Simplify right side
    3,620,823.12x = 6,475,447,046,951.42
  5. Step 5: Solve for x
    x = 6,475,447,046,951.42/3,620,823.12
  6. Step 6: Final answer
    x = 1,788,390.88

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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.