Home / 3,933,355.41-5,428,123.29-2,191,142.03

Finding the Fourth Proportional to 3,933,355.41, 5,428,123.29 and 2,191,142.03

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Solution

The fourth proportional to 3,933,355.41, 5,428,123.29 and 2,191,142.03 is: 3,023,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,355.41 : 5,428,123.29 = 2,191,142.03 : x
  2. Step 2: Convert to fraction form
    3,933,355.41/5,428,123.29 = 2,191,142.03/x
  3. Step 3: Cross multiply
    3,933,355.41x = 5,428,123.29 × 2,191,142.03
  4. Step 4: Simplify right side
    3,933,355.41x = 11,893,789,057,600.26
  5. Step 5: Solve for x
    x = 11,893,789,057,600.26/3,933,355.41
  6. Step 6: Final answer
    x = 3,023,827.70

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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.