Home / 2,918,540.91-4,027,589.96-1,629,380.55

Finding the Fourth Proportional to 2,918,540.91, 4,027,589.96 and 1,629,380.55

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Solution

The fourth proportional to 2,918,540.91, 4,027,589.96 and 1,629,380.55 is: 2,248,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,540.91 : 4,027,589.96 = 1,629,380.55 : x
  2. Step 2: Convert to fraction form
    2,918,540.91/4,027,589.96 = 1,629,380.55/x
  3. Step 3: Cross multiply
    2,918,540.91x = 4,027,589.96 × 1,629,380.55
  4. Step 4: Simplify right side
    2,918,540.91x = 6,562,476,736,052.38
  5. Step 5: Solve for x
    x = 6,562,476,736,052.38/2,918,540.91
  6. Step 6: Final answer
    x = 2,248,547.11

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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.