Home / 4,080,355.60-6,120,763.80-1,240,560.40

Finding the Fourth Proportional to 4,080,355.60, 6,120,763.80 and 1,240,560.40

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Solution

The fourth proportional to 4,080,355.60, 6,120,763.80 and 1,240,560.40 is: 1,860,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,355.60 : 6,120,763.80 = 1,240,560.40 : x
  2. Step 2: Convert to fraction form
    4,080,355.60/6,120,763.80 = 1,240,560.40/x
  3. Step 3: Cross multiply
    4,080,355.60x = 6,120,763.80 × 1,240,560.40
  4. Step 4: Simplify right side
    4,080,355.60x = 7,593,177,188,033.52
  5. Step 5: Solve for x
    x = 7,593,177,188,033.52/4,080,355.60
  6. Step 6: Final answer
    x = 1,860,910.65

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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.