Home / 3,938,193.52-5,434,711.90-2,127,357.52

Finding the Fourth Proportional to 3,938,193.52, 5,434,711.90 and 2,127,357.52

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Solution

The fourth proportional to 3,938,193.52, 5,434,711.90 and 2,127,357.52 is: 2,935,755.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,193.52 : 5,434,711.90 = 2,127,357.52 : x
  2. Step 2: Convert to fraction form
    3,938,193.52/5,434,711.90 = 2,127,357.52/x
  3. Step 3: Cross multiply
    3,938,193.52x = 5,434,711.90 × 2,127,357.52
  4. Step 4: Simplify right side
    3,938,193.52x = 11,561,575,229,498.49
  5. Step 5: Solve for x
    x = 11,561,575,229,498.49/3,938,193.52
  6. Step 6: Final answer
    x = 2,935,755.99

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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.