Home / 2,068,808.40-3,104,087.40-1,311,231.60

Finding the Fourth Proportional to 2,068,808.40, 3,104,087.40 and 1,311,231.60

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Solution

The fourth proportional to 2,068,808.40, 3,104,087.40 and 1,311,231.60 is: 1,967,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,808.40 : 3,104,087.40 = 1,311,231.60 : x
  2. Step 2: Convert to fraction form
    2,068,808.40/3,104,087.40 = 1,311,231.60/x
  3. Step 3: Cross multiply
    2,068,808.40x = 3,104,087.40 × 1,311,231.60
  4. Step 4: Simplify right side
    2,068,808.40x = 4,070,177,488,041.84
  5. Step 5: Solve for x
    x = 4,070,177,488,041.84/2,068,808.40
  6. Step 6: Final answer
    x = 1,967,401.86

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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.