Home / 5,320,015.80-7,980,023.70-3,192,502.20

Finding the Fourth Proportional to 5,320,015.80, 7,980,023.70 and 3,192,502.20

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Solution

The fourth proportional to 5,320,015.80, 7,980,023.70 and 3,192,502.20 is: 4,788,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,015.80 : 7,980,023.70 = 3,192,502.20 : x
  2. Step 2: Convert to fraction form
    5,320,015.80/7,980,023.70 = 3,192,502.20/x
  3. Step 3: Cross multiply
    5,320,015.80x = 7,980,023.70 × 3,192,502.20
  4. Step 4: Simplify right side
    5,320,015.80x = 25,476,243,218,302.14
  5. Step 5: Solve for x
    x = 25,476,243,218,302.14/5,320,015.80
  6. Step 6: Final answer
    x = 4,788,753.30

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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.