Home / 3,532,893.20-5,299,728.60-1,289,517.20

Finding the Fourth Proportional to 3,532,893.20, 5,299,728.60 and 1,289,517.20

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Solution

The fourth proportional to 3,532,893.20, 5,299,728.60 and 1,289,517.20 is: 1,934,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,893.20 : 5,299,728.60 = 1,289,517.20 : x
  2. Step 2: Convert to fraction form
    3,532,893.20/5,299,728.60 = 1,289,517.20/x
  3. Step 3: Cross multiply
    3,532,893.20x = 5,299,728.60 × 1,289,517.20
  4. Step 4: Simplify right side
    3,532,893.20x = 6,834,091,185,031.92
  5. Step 5: Solve for x
    x = 6,834,091,185,031.92/3,532,893.20
  6. Step 6: Final answer
    x = 1,934,417.71

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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.