Home / 1,549,397.88-2,138,165.64-861,067.44

Finding the Fourth Proportional to 1,549,397.88, 2,138,165.64 and 861,067.44

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Solution

The fourth proportional to 1,549,397.88, 2,138,165.64 and 861,067.44 is: 1,188,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,397.88 : 2,138,165.64 = 861,067.44 : x
  2. Step 2: Convert to fraction form
    1,549,397.88/2,138,165.64 = 861,067.44/x
  3. Step 3: Cross multiply
    1,549,397.88x = 2,138,165.64 × 861,067.44
  4. Step 4: Simplify right side
    1,549,397.88x = 1,841,104,813,930.76
  5. Step 5: Solve for x
    x = 1,841,104,813,930.76/1,549,397.88
  6. Step 6: Final answer
    x = 1,188,271.16

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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.