Home / 3,745,101.20-5,619,034.20-1,220,838.80

Finding the Fourth Proportional to 3,745,101.20, 5,619,034.20 and 1,220,838.80

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Solution

The fourth proportional to 3,745,101.20, 5,619,034.20 and 1,220,838.80 is: 1,831,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,101.20 : 5,619,034.20 = 1,220,838.80 : x
  2. Step 2: Convert to fraction form
    3,745,101.20/5,619,034.20 = 1,220,838.80/x
  3. Step 3: Cross multiply
    3,745,101.20x = 5,619,034.20 × 1,220,838.80
  4. Step 4: Simplify right side
    3,745,101.20x = 6,859,934,969,886.96
  5. Step 5: Solve for x
    x = 6,859,934,969,886.96/3,745,101.20
  6. Step 6: Final answer
    x = 1,831,708.84

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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.