Home / 3,420,712.40-5,127,569.40-2,000,037.20

Finding the Fourth Proportional to 3,420,712.40, 5,127,569.40 and 2,000,037.20

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Solution

The fourth proportional to 3,420,712.40, 5,127,569.40 and 2,000,037.20 is: 2,998,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,712.40 : 5,127,569.40 = 2,000,037.20 : x
  2. Step 2: Convert to fraction form
    3,420,712.40/5,127,569.40 = 2,000,037.20/x
  3. Step 3: Cross multiply
    3,420,712.40x = 5,127,569.40 × 2,000,037.20
  4. Step 4: Simplify right side
    3,420,712.40x = 10,255,329,545,581.68
  5. Step 5: Solve for x
    x = 10,255,329,545,581.68/3,420,712.40
  6. Step 6: Final answer
    x = 2,998,009.87

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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.