Home / 2,918,712.30-4,027,517.40-1,694,779.20

Finding the Fourth Proportional to 2,918,712.30, 4,027,517.40 and 1,694,779.20

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Solution

The fourth proportional to 2,918,712.30, 4,027,517.40 and 1,694,779.20 is: 2,338,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,712.30 : 4,027,517.40 = 1,694,779.20 : x
  2. Step 2: Convert to fraction form
    2,918,712.30/4,027,517.40 = 1,694,779.20/x
  3. Step 3: Cross multiply
    2,918,712.30x = 4,027,517.40 × 1,694,779.20
  4. Step 4: Simplify right side
    2,918,712.30x = 6,825,752,717,158.08
  5. Step 5: Solve for x
    x = 6,825,752,717,158.08/2,918,712.30
  6. Step 6: Final answer
    x = 2,338,617.86

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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.