Home / 2,068,620.40-3,102,930.60-1,359,449.20

Finding the Fourth Proportional to 2,068,620.40, 3,102,930.60 and 1,359,449.20

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Solution

The fourth proportional to 2,068,620.40, 3,102,930.60 and 1,359,449.20 is: 2,039,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,620.40 : 3,102,930.60 = 1,359,449.20 : x
  2. Step 2: Convert to fraction form
    2,068,620.40/3,102,930.60 = 1,359,449.20/x
  3. Step 3: Cross multiply
    2,068,620.40x = 3,102,930.60 × 1,359,449.20
  4. Step 4: Simplify right side
    2,068,620.40x = 4,218,276,521,825.52
  5. Step 5: Solve for x
    x = 4,218,276,521,825.52/2,068,620.40
  6. Step 6: Final answer
    x = 2,039,173.80

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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.