Home / 1,988,814.38-2,744,491.26-1,215,739.95

Finding the Fourth Proportional to 1,988,814.38, 2,744,491.26 and 1,215,739.95

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Solution

The fourth proportional to 1,988,814.38, 2,744,491.26 and 1,215,739.95 is: 1,677,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,814.38 : 2,744,491.26 = 1,215,739.95 : x
  2. Step 2: Convert to fraction form
    1,988,814.38/2,744,491.26 = 1,215,739.95/x
  3. Step 3: Cross multiply
    1,988,814.38x = 2,744,491.26 × 1,215,739.95
  4. Step 4: Simplify right side
    1,988,814.38x = 3,336,587,667,207.84
  5. Step 5: Solve for x
    x = 3,336,587,667,207.84/1,988,814.38
  6. Step 6: Final answer
    x = 1,677,676.76

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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.