Home / 2,757,380.40-4,139,440.20-1,560,135.60

Finding the Fourth Proportional to 2,757,380.40, 4,139,440.20 and 1,560,135.60

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Solution

The fourth proportional to 2,757,380.40, 4,139,440.20 and 1,560,135.60 is: 2,342,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,380.40 : 4,139,440.20 = 1,560,135.60 : x
  2. Step 2: Convert to fraction form
    2,757,380.40/4,139,440.20 = 1,560,135.60/x
  3. Step 3: Cross multiply
    2,757,380.40x = 4,139,440.20 × 1,560,135.60
  4. Step 4: Simplify right side
    2,757,380.40x = 6,458,088,020,091.12
  5. Step 5: Solve for x
    x = 6,458,088,020,091.12/2,757,380.40
  6. Step 6: Final answer
    x = 2,342,109.93

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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.