Home / 1,983,053.78-2,737,451.40-1,339,345.87

Finding the Fourth Proportional to 1,983,053.78, 2,737,451.40 and 1,339,345.87

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Solution

The fourth proportional to 1,983,053.78, 2,737,451.40 and 1,339,345.87 is: 1,848,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,053.78 : 2,737,451.40 = 1,339,345.87 : x
  2. Step 2: Convert to fraction form
    1,983,053.78/2,737,451.40 = 1,339,345.87/x
  3. Step 3: Cross multiply
    1,983,053.78x = 2,737,451.40 × 1,339,345.87
  4. Step 4: Simplify right side
    1,983,053.78x = 3,666,394,215,049.54
  5. Step 5: Solve for x
    x = 3,666,394,215,049.54/1,983,053.78
  6. Step 6: Final answer
    x = 1,848,862.73

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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.