Home / 4,485,475.20-6,729,243.12-1,290,627.84

Finding the Fourth Proportional to 4,485,475.20, 6,729,243.12 and 1,290,627.84

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Solution

The fourth proportional to 4,485,475.20, 6,729,243.12 and 1,290,627.84 is: 1,936,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485,475.20 : 6,729,243.12 = 1,290,627.84 : x
  2. Step 2: Convert to fraction form
    4,485,475.20/6,729,243.12 = 1,290,627.84/x
  3. Step 3: Cross multiply
    4,485,475.20x = 6,729,243.12 × 1,290,627.84
  4. Step 4: Simplify right side
    4,485,475.20x = 8,684,948,512,800.46
  5. Step 5: Solve for x
    x = 8,684,948,512,800.46/4,485,475.20
  6. Step 6: Final answer
    x = 1,936,238.22

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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.