Home / 5,143,729.20-7,098,780.84-2,852,628

Finding the Fourth Proportional to 5,143,729.20, 7,098,780.84 and 2,852,628

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Solution

The fourth proportional to 5,143,729.20, 7,098,780.84 and 2,852,628 is: 3,936,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,729.20 : 7,098,780.84 = 2,852,628 : x
  2. Step 2: Convert to fraction form
    5,143,729.20/7,098,780.84 = 2,852,628/x
  3. Step 3: Cross multiply
    5,143,729.20x = 7,098,780.84 × 2,852,628
  4. Step 4: Simplify right side
    5,143,729.20x = 20,250,180,990,047.52
  5. Step 5: Solve for x
    x = 20,250,180,990,047.52/5,143,729.20
  6. Step 6: Final answer
    x = 3,936,867.63

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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.