Home / 3,609,777.72-4,981,499.10-1,977,925.80

Finding the Fourth Proportional to 3,609,777.72, 4,981,499.10 and 1,977,925.80

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Solution

The fourth proportional to 3,609,777.72, 4,981,499.10 and 1,977,925.80 is: 2,729,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,777.72 : 4,981,499.10 = 1,977,925.80 : x
  2. Step 2: Convert to fraction form
    3,609,777.72/4,981,499.10 = 1,977,925.80/x
  3. Step 3: Cross multiply
    3,609,777.72x = 4,981,499.10 × 1,977,925.80
  4. Step 4: Simplify right side
    3,609,777.72x = 9,853,035,592,566.78
  5. Step 5: Solve for x
    x = 9,853,035,592,566.78/3,609,777.72
  6. Step 6: Final answer
    x = 2,729,540.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.