Home / 2,531,784.28-3,798,156.20-825,784.86

Finding the Fourth Proportional to 2,531,784.28, 3,798,156.20 and 825,784.86

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Solution

The fourth proportional to 2,531,784.28, 3,798,156.20 and 825,784.86 is: 1,238,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,784.28 : 3,798,156.20 = 825,784.86 : x
  2. Step 2: Convert to fraction form
    2,531,784.28/3,798,156.20 = 825,784.86/x
  3. Step 3: Cross multiply
    2,531,784.28x = 3,798,156.20 × 825,784.86
  4. Step 4: Simplify right side
    2,531,784.28x = 3,136,459,885,875.13
  5. Step 5: Solve for x
    x = 3,136,459,885,875.13/2,531,784.28
  6. Step 6: Final answer
    x = 1,238,833.78

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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.