Home / 2,847,988.80-3,930,217.92-1,558,817.91

Finding the Fourth Proportional to 2,847,988.80, 3,930,217.92 and 1,558,817.91

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Solution

The fourth proportional to 2,847,988.80, 3,930,217.92 and 1,558,817.91 is: 2,151,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,988.80 : 3,930,217.92 = 1,558,817.91 : x
  2. Step 2: Convert to fraction form
    2,847,988.80/3,930,217.92 = 1,558,817.91/x
  3. Step 3: Cross multiply
    2,847,988.80x = 3,930,217.92 × 1,558,817.91
  4. Step 4: Simplify right side
    2,847,988.80x = 6,126,494,083,898.95
  5. Step 5: Solve for x
    x = 6,126,494,083,898.95/2,847,988.80
  6. Step 6: Final answer
    x = 2,151,165.09

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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.