Home / 1,987,062.66-2,741,990.13-1,127,622.92

Finding the Fourth Proportional to 1,987,062.66, 2,741,990.13 and 1,127,622.92

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Solution

The fourth proportional to 1,987,062.66, 2,741,990.13 and 1,127,622.92 is: 1,556,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,062.66 : 2,741,990.13 = 1,127,622.92 : x
  2. Step 2: Convert to fraction form
    1,987,062.66/2,741,990.13 = 1,127,622.92/x
  3. Step 3: Cross multiply
    1,987,062.66x = 2,741,990.13 × 1,127,622.92
  4. Step 4: Simplify right side
    1,987,062.66x = 3,091,930,903,291.83
  5. Step 5: Solve for x
    x = 3,091,930,903,291.83/1,987,062.66
  6. Step 6: Final answer
    x = 1,556,030.90

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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.