Home / 3,420,512.70-5,127,561.45-1,292,027.10

Finding the Fourth Proportional to 3,420,512.70, 5,127,561.45 and 1,292,027.10

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Solution

The fourth proportional to 3,420,512.70, 5,127,561.45 and 1,292,027.10 is: 1,936,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,512.70 : 5,127,561.45 = 1,292,027.10 : x
  2. Step 2: Convert to fraction form
    3,420,512.70/5,127,561.45 = 1,292,027.10/x
  3. Step 3: Cross multiply
    3,420,512.70x = 5,127,561.45 × 1,292,027.10
  4. Step 4: Simplify right side
    3,420,512.70x = 6,624,948,350,315.30
  5. Step 5: Solve for x
    x = 6,624,948,350,315.30/3,420,512.70
  6. Step 6: Final answer
    x = 1,936,829.05

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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.