Home / 2,379,382.56-3,283,524.96-1,291,630.80

Finding the Fourth Proportional to 2,379,382.56, 3,283,524.96 and 1,291,630.80

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Solution

The fourth proportional to 2,379,382.56, 3,283,524.96 and 1,291,630.80 is: 1,782,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,382.56 : 3,283,524.96 = 1,291,630.80 : x
  2. Step 2: Convert to fraction form
    2,379,382.56/3,283,524.96 = 1,291,630.80/x
  3. Step 3: Cross multiply
    2,379,382.56x = 3,283,524.96 × 1,291,630.80
  4. Step 4: Simplify right side
    2,379,382.56x = 4,241,101,970,904.77
  5. Step 5: Solve for x
    x = 4,241,101,970,904.77/2,379,382.56
  6. Step 6: Final answer
    x = 1,782,438.03

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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.