Home / 5,381,939.90-8,072,910.03-2,187,315.41

Finding the Fourth Proportional to 5,381,939.90, 8,072,910.03 and 2,187,315.41

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Solution

The fourth proportional to 5,381,939.90, 8,072,910.03 and 2,187,315.41 is: 3,280,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,939.90 : 8,072,910.03 = 2,187,315.41 : x
  2. Step 2: Convert to fraction form
    5,381,939.90/8,072,910.03 = 2,187,315.41/x
  3. Step 3: Cross multiply
    5,381,939.90x = 8,072,910.03 × 2,187,315.41
  4. Step 4: Simplify right side
    5,381,939.90x = 17,658,000,512,162.56
  5. Step 5: Solve for x
    x = 17,658,000,512,162.56/5,381,939.90
  6. Step 6: Final answer
    x = 3,280,973.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.