Home / 1,804,189.31-2,489,781.04-1,079,036.92

Finding the Fourth Proportional to 1,804,189.31, 2,489,781.04 and 1,079,036.92

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Solution

The fourth proportional to 1,804,189.31, 2,489,781.04 and 1,079,036.92 is: 1,489,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,189.31 : 2,489,781.04 = 1,079,036.92 : x
  2. Step 2: Convert to fraction form
    1,804,189.31/2,489,781.04 = 1,079,036.92/x
  3. Step 3: Cross multiply
    1,804,189.31x = 2,489,781.04 × 1,079,036.92
  4. Step 4: Simplify right side
    1,804,189.31x = 2,686,565,664,876.00
  5. Step 5: Solve for x
    x = 2,686,565,664,876.00/1,804,189.31
  6. Step 6: Final answer
    x = 1,489,070.83

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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.