Home / 2,885,819.40-3,982,369.12-1,579,066.38

Finding the Fourth Proportional to 2,885,819.40, 3,982,369.12 and 1,579,066.38

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Solution

The fourth proportional to 2,885,819.40, 3,982,369.12 and 1,579,066.38 is: 2,179,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,819.40 : 3,982,369.12 = 1,579,066.38 : x
  2. Step 2: Convert to fraction form
    2,885,819.40/3,982,369.12 = 1,579,066.38/x
  3. Step 3: Cross multiply
    2,885,819.40x = 3,982,369.12 × 1,579,066.38
  4. Step 4: Simplify right side
    2,885,819.40x = 6,288,425,186,194.52
  5. Step 5: Solve for x
    x = 6,288,425,186,194.52/2,885,819.40
  6. Step 6: Final answer
    x = 2,179,077.87

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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.