Home / 2,127,022.12-3,191,136.06-865,754.92

Finding the Fourth Proportional to 2,127,022.12, 3,191,136.06 and 865,754.92

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Solution

The fourth proportional to 2,127,022.12, 3,191,136.06 and 865,754.92 is: 1,298,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,022.12 : 3,191,136.06 = 865,754.92 : x
  2. Step 2: Convert to fraction form
    2,127,022.12/3,191,136.06 = 865,754.92/x
  3. Step 3: Cross multiply
    2,127,022.12x = 3,191,136.06 × 865,754.92
  4. Step 4: Simplify right side
    2,127,022.12x = 2,762,741,744,334.42
  5. Step 5: Solve for x
    x = 2,762,741,744,334.42/2,127,022.12
  6. Step 6: Final answer
    x = 1,298,877.77

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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.