Home / 2,566,853.57-3,542,258.97-1,405,375.13

Finding the Fourth Proportional to 2,566,853.57, 3,542,258.97 and 1,405,375.13

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Solution

The fourth proportional to 2,566,853.57, 3,542,258.97 and 1,405,375.13 is: 1,939,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566,853.57 : 3,542,258.97 = 1,405,375.13 : x
  2. Step 2: Convert to fraction form
    2,566,853.57/3,542,258.97 = 1,405,375.13/x
  3. Step 3: Cross multiply
    2,566,853.57x = 3,542,258.97 × 1,405,375.13
  4. Step 4: Simplify right side
    2,566,853.57x = 4,978,202,660,457.42
  5. Step 5: Solve for x
    x = 4,978,202,660,457.42/2,566,853.57
  6. Step 6: Final answer
    x = 1,939,418.25

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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.