Home / 3,136,146.80-4,700,086.72-1,241,854.88

Finding the Fourth Proportional to 3,136,146.80, 4,700,086.72 and 1,241,854.88

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Solution

The fourth proportional to 3,136,146.80, 4,700,086.72 and 1,241,854.88 is: 1,861,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,146.80 : 4,700,086.72 = 1,241,854.88 : x
  2. Step 2: Convert to fraction form
    3,136,146.80/4,700,086.72 = 1,241,854.88/x
  3. Step 3: Cross multiply
    3,136,146.80x = 4,700,086.72 × 1,241,854.88
  4. Step 4: Simplify right side
    3,136,146.80x = 5,836,825,629,655.19
  5. Step 5: Solve for x
    x = 5,836,825,629,655.19/3,136,146.80
  6. Step 6: Final answer
    x = 1,861,145.54

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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.