Home / 1,981,681-2,735,228.58-1,207,836.52

Finding the Fourth Proportional to 1,981,681, 2,735,228.58 and 1,207,836.52

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Solution

The fourth proportional to 1,981,681, 2,735,228.58 and 1,207,836.52 is: 1,667,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,681 : 2,735,228.58 = 1,207,836.52 : x
  2. Step 2: Convert to fraction form
    1,981,681/2,735,228.58 = 1,207,836.52/x
  3. Step 3: Cross multiply
    1,981,681x = 2,735,228.58 × 1,207,836.52
  4. Step 4: Simplify right side
    1,981,681x = 3,303,708,969,471.74
  5. Step 5: Solve for x
    x = 3,303,708,969,471.74/1,981,681
  6. Step 6: Final answer
    x = 1,667,124.51

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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.