Home / 5,320,659.40-7,979,433.90-1,908,550.60

Finding the Fourth Proportional to 5,320,659.40, 7,979,433.90 and 1,908,550.60

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Solution

The fourth proportional to 5,320,659.40, 7,979,433.90 and 1,908,550.60 is: 2,862,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,659.40 : 7,979,433.90 = 1,908,550.60 : x
  2. Step 2: Convert to fraction form
    5,320,659.40/7,979,433.90 = 1,908,550.60/x
  3. Step 3: Cross multiply
    5,320,659.40x = 7,979,433.90 × 1,908,550.60
  4. Step 4: Simplify right side
    5,320,659.40x = 15,229,153,357,505.34
  5. Step 5: Solve for x
    x = 15,229,153,357,505.34/5,320,659.40
  6. Step 6: Final answer
    x = 2,862,268.04

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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.