Home / 3,933,348.66-5,428,113.95-2,191,135.25

Finding the Fourth Proportional to 3,933,348.66, 5,428,113.95 and 2,191,135.25

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Solution

The fourth proportional to 3,933,348.66, 5,428,113.95 and 2,191,135.25 is: 3,023,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,348.66 : 5,428,113.95 = 2,191,135.25 : x
  2. Step 2: Convert to fraction form
    3,933,348.66/5,428,113.95 = 2,191,135.25/x
  3. Step 3: Cross multiply
    3,933,348.66x = 5,428,113.95 × 2,191,135.25
  4. Step 4: Simplify right side
    3,933,348.66x = 11,893,731,835,909.86
  5. Step 5: Solve for x
    x = 11,893,731,835,909.86/3,933,348.66
  6. Step 6: Final answer
    x = 3,023,818.35

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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.