Home / 3,191,972.80-4,788,175.20-1,298,747.20

Finding the Fourth Proportional to 3,191,972.80, 4,788,175.20 and 1,298,747.20

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Solution

The fourth proportional to 3,191,972.80, 4,788,175.20 and 1,298,747.20 is: 1,948,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,972.80 : 4,788,175.20 = 1,298,747.20 : x
  2. Step 2: Convert to fraction form
    3,191,972.80/4,788,175.20 = 1,298,747.20/x
  3. Step 3: Cross multiply
    3,191,972.80x = 4,788,175.20 × 1,298,747.20
  4. Step 4: Simplify right side
    3,191,972.80x = 6,218,629,134,109.44
  5. Step 5: Solve for x
    x = 6,218,629,134,109.44/3,191,972.80
  6. Step 6: Final answer
    x = 1,948,208.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.