Home / 5,397,168.40-8,090,568.60-3,120,355.60

Finding the Fourth Proportional to 5,397,168.40, 8,090,568.60 and 3,120,355.60

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Solution

The fourth proportional to 5,397,168.40, 8,090,568.60 and 3,120,355.60 is: 4,677,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,168.40 : 8,090,568.60 = 3,120,355.60 : x
  2. Step 2: Convert to fraction form
    5,397,168.40/8,090,568.60 = 3,120,355.60/x
  3. Step 3: Cross multiply
    5,397,168.40x = 8,090,568.60 × 3,120,355.60
  4. Step 4: Simplify right side
    5,397,168.40x = 25,245,451,038,194.16
  5. Step 5: Solve for x
    x = 25,245,451,038,194.16/5,397,168.40
  6. Step 6: Final answer
    x = 4,677,536.29

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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.