Home / 3,619,412.16-5,427,460.75-2,161,120.60

Finding the Fourth Proportional to 3,619,412.16, 5,427,460.75 and 2,161,120.60

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Solution

The fourth proportional to 3,619,412.16, 5,427,460.75 and 2,161,120.60 is: 3,240,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,412.16 : 5,427,460.75 = 2,161,120.60 : x
  2. Step 2: Convert to fraction form
    3,619,412.16/5,427,460.75 = 2,161,120.60/x
  3. Step 3: Cross multiply
    3,619,412.16x = 5,427,460.75 × 2,161,120.60
  4. Step 4: Simplify right side
    3,619,412.16x = 11,729,397,232,516.45
  5. Step 5: Solve for x
    x = 11,729,397,232,516.45/3,619,412.16
  6. Step 6: Final answer
    x = 3,240,691.23

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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.