Home / 2,728,381.60-4,092,945.90-930,782.42

Finding the Fourth Proportional to 2,728,381.60, 4,092,945.90 and 930,782.42

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Solution

The fourth proportional to 2,728,381.60, 4,092,945.90 and 930,782.42 is: 1,396,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,381.60 : 4,092,945.90 = 930,782.42 : x
  2. Step 2: Convert to fraction form
    2,728,381.60/4,092,945.90 = 930,782.42/x
  3. Step 3: Cross multiply
    2,728,381.60x = 4,092,945.90 × 930,782.42
  4. Step 4: Simplify right side
    2,728,381.60x = 3,809,642,069,612.97
  5. Step 5: Solve for x
    x = 3,809,642,069,612.97/2,728,381.60
  6. Step 6: Final answer
    x = 1,396,301.04

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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.