Home / 1,965,982.54-2,711,658.38-1,312,278.97

Finding the Fourth Proportional to 1,965,982.54, 2,711,658.38 and 1,312,278.97

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Solution

The fourth proportional to 1,965,982.54, 2,711,658.38 and 1,312,278.97 is: 1,810,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,982.54 : 2,711,658.38 = 1,312,278.97 : x
  2. Step 2: Convert to fraction form
    1,965,982.54/2,711,658.38 = 1,312,278.97/x
  3. Step 3: Cross multiply
    1,965,982.54x = 2,711,658.38 × 1,312,278.97
  4. Step 4: Simplify right side
    1,965,982.54x = 3,558,452,265,898.27
  5. Step 5: Solve for x
    x = 3,558,452,265,898.27/1,965,982.54
  6. Step 6: Final answer
    x = 1,810,012.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.