Home / 3,020,418.80-4,531,329.48-998,540.72

Finding the Fourth Proportional to 3,020,418.80, 4,531,329.48 and 998,540.72

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Solution

The fourth proportional to 3,020,418.80, 4,531,329.48 and 998,540.72 is: 1,498,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,418.80 : 4,531,329.48 = 998,540.72 : x
  2. Step 2: Convert to fraction form
    3,020,418.80/4,531,329.48 = 998,540.72/x
  3. Step 3: Cross multiply
    3,020,418.80x = 4,531,329.48 × 998,540.72
  4. Step 4: Simplify right side
    3,020,418.80x = 4,524,717,001,516.43
  5. Step 5: Solve for x
    x = 4,524,717,001,516.43/3,020,418.80
  6. Step 6: Final answer
    x = 1,498,042.92

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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.