Home / 3,987,907.80-5,981,861.70-3,547,008.60

Finding the Fourth Proportional to 3,987,907.80, 5,981,861.70 and 3,547,008.60

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Solution

The fourth proportional to 3,987,907.80, 5,981,861.70 and 3,547,008.60 is: 5,320,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,907.80 : 5,981,861.70 = 3,547,008.60 : x
  2. Step 2: Convert to fraction form
    3,987,907.80/5,981,861.70 = 3,547,008.60/x
  3. Step 3: Cross multiply
    3,987,907.80x = 5,981,861.70 × 3,547,008.60
  4. Step 4: Simplify right side
    3,987,907.80x = 21,217,714,893,910.62
  5. Step 5: Solve for x
    x = 21,217,714,893,910.62/3,987,907.80
  6. Step 6: Final answer
    x = 5,320,512.90

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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.