Home / 1,945,281.52-2,918,062.16-747,203.84

Finding the Fourth Proportional to 1,945,281.52, 2,918,062.16 and 747,203.84

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Solution

The fourth proportional to 1,945,281.52, 2,918,062.16 and 747,203.84 is: 1,120,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,281.52 : 2,918,062.16 = 747,203.84 : x
  2. Step 2: Convert to fraction form
    1,945,281.52/2,918,062.16 = 747,203.84/x
  3. Step 3: Cross multiply
    1,945,281.52x = 2,918,062.16 × 747,203.84
  4. Step 4: Simplify right side
    1,945,281.52x = 2,180,387,246,729.11
  5. Step 5: Solve for x
    x = 2,180,387,246,729.11/1,945,281.52
  6. Step 6: Final answer
    x = 1,120,859.49

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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.