Home / 2,220,113.20-3,063,765.45-1,201,517.86

Finding the Fourth Proportional to 2,220,113.20, 3,063,765.45 and 1,201,517.86

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Solution

The fourth proportional to 2,220,113.20, 3,063,765.45 and 1,201,517.86 is: 1,658,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,113.20 : 3,063,765.45 = 1,201,517.86 : x
  2. Step 2: Convert to fraction form
    2,220,113.20/3,063,765.45 = 1,201,517.86/x
  3. Step 3: Cross multiply
    2,220,113.20x = 3,063,765.45 × 1,201,517.86
  4. Step 4: Simplify right side
    2,220,113.20x = 3,681,168,907,025.94
  5. Step 5: Solve for x
    x = 3,681,168,907,025.94/2,220,113.20
  6. Step 6: Final answer
    x = 1,658,099.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.