Home / 2,981,926.80-4,472,890.20-738,064.80

Finding the Fourth Proportional to 2,981,926.80, 4,472,890.20 and 738,064.80

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Solution

The fourth proportional to 2,981,926.80, 4,472,890.20 and 738,064.80 is: 1,107,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,926.80 : 4,472,890.20 = 738,064.80 : x
  2. Step 2: Convert to fraction form
    2,981,926.80/4,472,890.20 = 738,064.80/x
  3. Step 3: Cross multiply
    2,981,926.80x = 4,472,890.20 × 738,064.80
  4. Step 4: Simplify right side
    2,981,926.80x = 3,301,282,810,884.96
  5. Step 5: Solve for x
    x = 3,301,282,810,884.96/2,981,926.80
  6. Step 6: Final answer
    x = 1,107,097.20

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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.