Home / 5,404,399.20-7,458,015.60-2,989,968.48

Finding the Fourth Proportional to 5,404,399.20, 7,458,015.60 and 2,989,968.48

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Solution

The fourth proportional to 5,404,399.20, 7,458,015.60 and 2,989,968.48 is: 4,126,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404,399.20 : 7,458,015.60 = 2,989,968.48 : x
  2. Step 2: Convert to fraction form
    5,404,399.20/7,458,015.60 = 2,989,968.48/x
  3. Step 3: Cross multiply
    5,404,399.20x = 7,458,015.60 × 2,989,968.48
  4. Step 4: Simplify right side
    5,404,399.20x = 22,299,231,567,348.29
  5. Step 5: Solve for x
    x = 22,299,231,567,348.29/5,404,399.20
  6. Step 6: Final answer
    x = 4,126,125.91

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1.5x scale

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.