Home / 5,404,405.20-7,458,023.88-2,989,974.48

Finding the Fourth Proportional to 5,404,405.20, 7,458,023.88 and 2,989,974.48

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Solution

The fourth proportional to 5,404,405.20, 7,458,023.88 and 2,989,974.48 is: 4,126,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404,405.20 : 7,458,023.88 = 2,989,974.48 : x
  2. Step 2: Convert to fraction form
    5,404,405.20/7,458,023.88 = 2,989,974.48/x
  3. Step 3: Cross multiply
    5,404,405.20x = 7,458,023.88 × 2,989,974.48
  4. Step 4: Simplify right side
    5,404,405.20x = 22,299,301,072,430.58
  5. Step 5: Solve for x
    x = 22,299,301,072,430.58/5,404,405.20
  6. Step 6: Final answer
    x = 4,126,134.19

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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.