Home / 5,282,760.60-7,290,236.52-2,991,367.80

Finding the Fourth Proportional to 5,282,760.60, 7,290,236.52 and 2,991,367.80

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Solution

The fourth proportional to 5,282,760.60, 7,290,236.52 and 2,991,367.80 is: 4,128,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282,760.60 : 7,290,236.52 = 2,991,367.80 : x
  2. Step 2: Convert to fraction form
    5,282,760.60/7,290,236.52 = 2,991,367.80/x
  3. Step 3: Cross multiply
    5,282,760.60x = 7,290,236.52 × 2,991,367.80
  4. Step 4: Simplify right side
    5,282,760.60x = 21,807,778,780,312.05
  5. Step 5: Solve for x
    x = 21,807,778,780,312.05/5,282,760.60
  6. Step 6: Final answer
    x = 4,128,102.79

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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.