Home / 2,589,412.80-3,884,119.20-1,172,236.80

Finding the Fourth Proportional to 2,589,412.80, 3,884,119.20 and 1,172,236.80

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Solution

The fourth proportional to 2,589,412.80, 3,884,119.20 and 1,172,236.80 is: 1,758,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,412.80 : 3,884,119.20 = 1,172,236.80 : x
  2. Step 2: Convert to fraction form
    2,589,412.80/3,884,119.20 = 1,172,236.80/x
  3. Step 3: Cross multiply
    2,589,412.80x = 3,884,119.20 × 1,172,236.80
  4. Step 4: Simplify right side
    2,589,412.80x = 4,553,107,461,826.56
  5. Step 5: Solve for x
    x = 4,553,107,461,826.56/2,589,412.80
  6. Step 6: Final answer
    x = 1,758,355.20

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Similar ratio
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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.