Home / 2,379,406.56-3,283,558.08-1,291,654.80

Finding the Fourth Proportional to 2,379,406.56, 3,283,558.08 and 1,291,654.80

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Solution

The fourth proportional to 2,379,406.56, 3,283,558.08 and 1,291,654.80 is: 1,782,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,406.56 : 3,283,558.08 = 1,291,654.80 : x
  2. Step 2: Convert to fraction form
    2,379,406.56/3,283,558.08 = 1,291,654.80/x
  3. Step 3: Cross multiply
    2,379,406.56x = 3,283,558.08 × 1,291,654.80
  4. Step 4: Simplify right side
    2,379,406.56x = 4,241,223,555,110.78
  5. Step 5: Solve for x
    x = 4,241,223,555,110.78/2,379,406.56
  6. Step 6: Final answer
    x = 1,782,471.15

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Why These Related Problems?

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