Home / 5,150,515.20-7,726,809.60-1,784,025.60

Finding the Fourth Proportional to 5,150,515.20, 7,726,809.60 and 1,784,025.60

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Solution

The fourth proportional to 5,150,515.20, 7,726,809.60 and 1,784,025.60 is: 2,676,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150,515.20 : 7,726,809.60 = 1,784,025.60 : x
  2. Step 2: Convert to fraction form
    5,150,515.20/7,726,809.60 = 1,784,025.60/x
  3. Step 3: Cross multiply
    5,150,515.20x = 7,726,809.60 × 1,784,025.60
  4. Step 4: Simplify right side
    5,150,515.20x = 13,784,826,132,725.76
  5. Step 5: Solve for x
    x = 13,784,826,132,725.76/5,150,515.20
  6. Step 6: Final answer
    x = 2,676,397.52

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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.