Home / 3,453,758.08-5,181,260.48-1,561,390.72

Finding the Fourth Proportional to 3,453,758.08, 5,181,260.48 and 1,561,390.72

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Solution

The fourth proportional to 3,453,758.08, 5,181,260.48 and 1,561,390.72 is: 2,342,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,758.08 : 5,181,260.48 = 1,561,390.72 : x
  2. Step 2: Convert to fraction form
    3,453,758.08/5,181,260.48 = 1,561,390.72/x
  3. Step 3: Cross multiply
    3,453,758.08x = 5,181,260.48 × 1,561,390.72
  4. Step 4: Simplify right side
    3,453,758.08x = 8,089,972,031,374.75
  5. Step 5: Solve for x
    x = 8,089,972,031,374.75/3,453,758.08
  6. Step 6: Final answer
    x = 2,342,367.89

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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.