Home / 2,079,679.40-3,113,298.30-1,956,645.80

Finding the Fourth Proportional to 2,079,679.40, 3,113,298.30 and 1,956,645.80

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Solution

The fourth proportional to 2,079,679.40, 3,113,298.30 and 1,956,645.80 is: 2,929,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,679.40 : 3,113,298.30 = 1,956,645.80 : x
  2. Step 2: Convert to fraction form
    2,079,679.40/3,113,298.30 = 1,956,645.80/x
  3. Step 3: Cross multiply
    2,079,679.40x = 3,113,298.30 × 1,956,645.80
  4. Step 4: Simplify right side
    2,079,679.40x = 6,091,622,042,842.14
  5. Step 5: Solve for x
    x = 6,091,622,042,842.14/2,079,679.40
  6. Step 6: Final answer
    x = 2,929,115.92

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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.