Home / 5,365,189.30-8,047,786.13-1,321,755.77

Finding the Fourth Proportional to 5,365,189.30, 8,047,786.13 and 1,321,755.77

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Solution

The fourth proportional to 5,365,189.30, 8,047,786.13 and 1,321,755.77 is: 1,982,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365,189.30 : 8,047,786.13 = 1,321,755.77 : x
  2. Step 2: Convert to fraction form
    5,365,189.30/8,047,786.13 = 1,321,755.77/x
  3. Step 3: Cross multiply
    5,365,189.30x = 8,047,786.13 × 1,321,755.77
  4. Step 4: Simplify right side
    5,365,189.30x = 10,637,207,753,053.47
  5. Step 5: Solve for x
    x = 10,637,207,753,053.47/5,365,189.30
  6. Step 6: Final answer
    x = 1,982,634.19

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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.