Home / 1,512,100.30-2,265,526.05-1,417,621.90

Finding the Fourth Proportional to 1,512,100.30, 2,265,526.05 and 1,417,621.90

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Solution

The fourth proportional to 1,512,100.30, 2,265,526.05 and 1,417,621.90 is: 2,123,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,100.30 : 2,265,526.05 = 1,417,621.90 : x
  2. Step 2: Convert to fraction form
    1,512,100.30/2,265,526.05 = 1,417,621.90/x
  3. Step 3: Cross multiply
    1,512,100.30x = 2,265,526.05 × 1,417,621.90
  4. Step 4: Simplify right side
    1,512,100.30x = 3,211,659,343,500.49
  5. Step 5: Solve for x
    x = 3,211,659,343,500.49/1,512,100.30
  6. Step 6: Final answer
    x = 2,123,972.43

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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.