Home / 3,148,627.60-4,722,941.40-1,255,661.20

Finding the Fourth Proportional to 3,148,627.60, 4,722,941.40 and 1,255,661.20

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Solution

The fourth proportional to 3,148,627.60, 4,722,941.40 and 1,255,661.20 is: 1,883,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,627.60 : 4,722,941.40 = 1,255,661.20 : x
  2. Step 2: Convert to fraction form
    3,148,627.60/4,722,941.40 = 1,255,661.20/x
  3. Step 3: Cross multiply
    3,148,627.60x = 4,722,941.40 × 1,255,661.20
  4. Step 4: Simplify right side
    3,148,627.60x = 5,930,414,265,853.68
  5. Step 5: Solve for x
    x = 5,930,414,265,853.68/3,148,627.60
  6. Step 6: Final answer
    x = 1,883,491.80

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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.