Home / 5,739,816.78-7,921,128.68-3,126,399.54

Finding the Fourth Proportional to 5,739,816.78, 7,921,128.68 and 3,126,399.54

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Solution

The fourth proportional to 5,739,816.78, 7,921,128.68 and 3,126,399.54 is: 4,314,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,816.78 : 7,921,128.68 = 3,126,399.54 : x
  2. Step 2: Convert to fraction form
    5,739,816.78/7,921,128.68 = 3,126,399.54/x
  3. Step 3: Cross multiply
    5,739,816.78x = 7,921,128.68 × 3,126,399.54
  4. Step 4: Simplify right side
    5,739,816.78x = 24,764,613,061,432.80
  5. Step 5: Solve for x
    x = 24,764,613,061,432.80/5,739,816.78
  6. Step 6: Final answer
    x = 4,314,530.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.