Home / 1,917,734.40-2,873,977.20-1,276,214.40

Finding the Fourth Proportional to 1,917,734.40, 2,873,977.20 and 1,276,214.40

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Solution

The fourth proportional to 1,917,734.40, 2,873,977.20 and 1,276,214.40 is: 1,912,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,734.40 : 2,873,977.20 = 1,276,214.40 : x
  2. Step 2: Convert to fraction form
    1,917,734.40/2,873,977.20 = 1,276,214.40/x
  3. Step 3: Cross multiply
    1,917,734.40x = 2,873,977.20 × 1,276,214.40
  4. Step 4: Simplify right side
    1,917,734.40x = 3,667,811,087,911.68
  5. Step 5: Solve for x
    x = 3,667,811,087,911.68/1,917,734.40
  6. Step 6: Final answer
    x = 1,912,575.11

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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.