Home / 5,387,620.80-8,081,431.20-3,970,444.80

Finding the Fourth Proportional to 5,387,620.80, 8,081,431.20 and 3,970,444.80

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Solution

The fourth proportional to 5,387,620.80, 8,081,431.20 and 3,970,444.80 is: 5,955,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,620.80 : 8,081,431.20 = 3,970,444.80 : x
  2. Step 2: Convert to fraction form
    5,387,620.80/8,081,431.20 = 3,970,444.80/x
  3. Step 3: Cross multiply
    5,387,620.80x = 8,081,431.20 × 3,970,444.80
  4. Step 4: Simplify right side
    5,387,620.80x = 32,086,876,484,597.76
  5. Step 5: Solve for x
    x = 32,086,876,484,597.76/5,387,620.80
  6. Step 6: Final answer
    x = 5,955,667.20

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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.