Home / 5,382,278.60-8,073,417.90-1,393,190.60

Finding the Fourth Proportional to 5,382,278.60, 8,073,417.90 and 1,393,190.60

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Solution

The fourth proportional to 5,382,278.60, 8,073,417.90 and 1,393,190.60 is: 2,089,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382,278.60 : 8,073,417.90 = 1,393,190.60 : x
  2. Step 2: Convert to fraction form
    5,382,278.60/8,073,417.90 = 1,393,190.60/x
  3. Step 3: Cross multiply
    5,382,278.60x = 8,073,417.90 × 1,393,190.60
  4. Step 4: Simplify right side
    5,382,278.60x = 11,247,809,921,185.79
  5. Step 5: Solve for x
    x = 11,247,809,921,185.79/5,382,278.60
  6. Step 6: Final answer
    x = 2,089,785.90

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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.