Home / 1,549,370.88-2,138,128.38-861,040.44

Finding the Fourth Proportional to 1,549,370.88, 2,138,128.38 and 861,040.44

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Solution

The fourth proportional to 1,549,370.88, 2,138,128.38 and 861,040.44 is: 1,188,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,370.88 : 2,138,128.38 = 861,040.44 : x
  2. Step 2: Convert to fraction form
    1,549,370.88/2,138,128.38 = 861,040.44/x
  3. Step 3: Cross multiply
    1,549,370.88x = 2,138,128.38 × 861,040.44
  4. Step 4: Simplify right side
    1,549,370.88x = 1,841,015,001,091.69
  5. Step 5: Solve for x
    x = 1,841,015,001,091.69/1,549,370.88
  6. Step 6: Final answer
    x = 1,188,233.90

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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.