Home / 6,872,941.20-10,309,411.80-3,837,190.80

Finding the Fourth Proportional to 6,872,941.20, 10,309,411.80 and 3,837,190.80

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Solution

The fourth proportional to 6,872,941.20, 10,309,411.80 and 3,837,190.80 is: 5,755,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,941.20 : 10,309,411.80 = 3,837,190.80 : x
  2. Step 2: Convert to fraction form
    6,872,941.20/10,309,411.80 = 3,837,190.80/x
  3. Step 3: Cross multiply
    6,872,941.20x = 10,309,411.80 × 3,837,190.80
  4. Step 4: Simplify right side
    6,872,941.20x = 39,559,180,112,371.44
  5. Step 5: Solve for x
    x = 39,559,180,112,371.44/6,872,941.20
  6. Step 6: Final answer
    x = 5,755,786.20

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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.