Home / 3,178,563.90-4,767,739.23-1,381,447.22

Finding the Fourth Proportional to 3,178,563.90, 4,767,739.23 and 1,381,447.22

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Solution

The fourth proportional to 3,178,563.90, 4,767,739.23 and 1,381,447.22 is: 2,072,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,563.90 : 4,767,739.23 = 1,381,447.22 : x
  2. Step 2: Convert to fraction form
    3,178,563.90/4,767,739.23 = 1,381,447.22/x
  3. Step 3: Cross multiply
    3,178,563.90x = 4,767,739.23 × 1,381,447.22
  4. Step 4: Simplify right side
    3,178,563.90x = 6,586,380,098,061.20
  5. Step 5: Solve for x
    x = 6,586,380,098,061.20/3,178,563.90
  6. Step 6: Final answer
    x = 2,072,124.49

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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.