Home / 5,109,836.40-7,661,255.40-2,415,452.40

Finding the Fourth Proportional to 5,109,836.40, 7,661,255.40 and 2,415,452.40

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Solution

The fourth proportional to 5,109,836.40, 7,661,255.40 and 2,415,452.40 is: 3,621,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,836.40 : 7,661,255.40 = 2,415,452.40 : x
  2. Step 2: Convert to fraction form
    5,109,836.40/7,661,255.40 = 2,415,452.40/x
  3. Step 3: Cross multiply
    5,109,836.40x = 7,661,255.40 × 2,415,452.40
  4. Step 4: Simplify right side
    5,109,836.40x = 18,505,397,742,942.96
  5. Step 5: Solve for x
    x = 18,505,397,742,942.96/5,109,836.40
  6. Step 6: Final answer
    x = 3,621,524.51

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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.