Home / 3,439,278.40-5,158,917.60-1,738,667.20

Finding the Fourth Proportional to 3,439,278.40, 5,158,917.60 and 1,738,667.20

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Solution

The fourth proportional to 3,439,278.40, 5,158,917.60 and 1,738,667.20 is: 2,608,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,278.40 : 5,158,917.60 = 1,738,667.20 : x
  2. Step 2: Convert to fraction form
    3,439,278.40/5,158,917.60 = 1,738,667.20/x
  3. Step 3: Cross multiply
    3,439,278.40x = 5,158,917.60 × 1,738,667.20
  4. Step 4: Simplify right side
    3,439,278.40x = 8,969,640,818,622.72
  5. Step 5: Solve for x
    x = 8,969,640,818,622.72/3,439,278.40
  6. Step 6: Final answer
    x = 2,608,000.80

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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.