Home / 3,522,999.80-5,284,499.70-1,278,846.20

Finding the Fourth Proportional to 3,522,999.80, 5,284,499.70 and 1,278,846.20

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Solution

The fourth proportional to 3,522,999.80, 5,284,499.70 and 1,278,846.20 is: 1,918,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522,999.80 : 5,284,499.70 = 1,278,846.20 : x
  2. Step 2: Convert to fraction form
    3,522,999.80/5,284,499.70 = 1,278,846.20/x
  3. Step 3: Cross multiply
    3,522,999.80x = 5,284,499.70 × 1,278,846.20
  4. Step 4: Simplify right side
    3,522,999.80x = 6,758,062,360,246.14
  5. Step 5: Solve for x
    x = 6,758,062,360,246.14/3,522,999.80
  6. Step 6: Final answer
    x = 1,918,269.30

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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.