Home / 1,215,819.78-1,823,727.21-1,141,833.23

Finding the Fourth Proportional to 1,215,819.78, 1,823,727.21 and 1,141,833.23

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Solution

The fourth proportional to 1,215,819.78, 1,823,727.21 and 1,141,833.23 is: 1,712,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,819.78 : 1,823,727.21 = 1,141,833.23 : x
  2. Step 2: Convert to fraction form
    1,215,819.78/1,823,727.21 = 1,141,833.23/x
  3. Step 3: Cross multiply
    1,215,819.78x = 1,823,727.21 × 1,141,833.23
  4. Step 4: Simplify right side
    1,215,819.78x = 2,082,392,330,833.19
  5. Step 5: Solve for x
    x = 2,082,392,330,833.19/1,215,819.78
  6. Step 6: Final answer
    x = 1,712,747.53

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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.