Home / 5,265,487.40-7,898,231.10-2,990,132.60

Finding the Fourth Proportional to 5,265,487.40, 7,898,231.10 and 2,990,132.60

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Solution

The fourth proportional to 5,265,487.40, 7,898,231.10 and 2,990,132.60 is: 4,485,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,487.40 : 7,898,231.10 = 2,990,132.60 : x
  2. Step 2: Convert to fraction form
    5,265,487.40/7,898,231.10 = 2,990,132.60/x
  3. Step 3: Cross multiply
    5,265,487.40x = 7,898,231.10 × 2,990,132.60
  4. Step 4: Simplify right side
    5,265,487.40x = 23,616,758,294,443.86
  5. Step 5: Solve for x
    x = 23,616,758,294,443.86/5,265,487.40
  6. Step 6: Final answer
    x = 4,485,198.90

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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.