Home / 2,207,590.80-3,308,761.80-1,981,892.40

Finding the Fourth Proportional to 2,207,590.80, 3,308,761.80 and 1,981,892.40

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Solution

The fourth proportional to 2,207,590.80, 3,308,761.80 and 1,981,892.40 is: 2,970,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,590.80 : 3,308,761.80 = 1,981,892.40 : x
  2. Step 2: Convert to fraction form
    2,207,590.80/3,308,761.80 = 1,981,892.40/x
  3. Step 3: Cross multiply
    2,207,590.80x = 3,308,761.80 × 1,981,892.40
  4. Step 4: Simplify right side
    2,207,590.80x = 6,557,609,864,830.32
  5. Step 5: Solve for x
    x = 6,557,609,864,830.32/2,207,590.80
  6. Step 6: Final answer
    x = 2,970,482.51

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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.