Home / 1,998,613.55-2,758,052.30-1,127,450.13

Finding the Fourth Proportional to 1,998,613.55, 2,758,052.30 and 1,127,450.13

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Solution

The fourth proportional to 1,998,613.55, 2,758,052.30 and 1,127,450.13 is: 1,555,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,613.55 : 2,758,052.30 = 1,127,450.13 : x
  2. Step 2: Convert to fraction form
    1,998,613.55/2,758,052.30 = 1,127,450.13/x
  3. Step 3: Cross multiply
    1,998,613.55x = 2,758,052.30 × 1,127,450.13
  4. Step 4: Simplify right side
    1,998,613.55x = 3,109,566,418,544.55
  5. Step 5: Solve for x
    x = 3,109,566,418,544.55/1,998,613.55
  6. Step 6: Final answer
    x = 1,555,861.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.