Home / 3,543,640.80-5,315,461.20-1,299,487.20

Finding the Fourth Proportional to 3,543,640.80, 5,315,461.20 and 1,299,487.20

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Solution

The fourth proportional to 3,543,640.80, 5,315,461.20 and 1,299,487.20 is: 1,949,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,640.80 : 5,315,461.20 = 1,299,487.20 : x
  2. Step 2: Convert to fraction form
    3,543,640.80/5,315,461.20 = 1,299,487.20/x
  3. Step 3: Cross multiply
    3,543,640.80x = 5,315,461.20 × 1,299,487.20
  4. Step 4: Simplify right side
    3,543,640.80x = 6,907,373,791,496.64
  5. Step 5: Solve for x
    x = 6,907,373,791,496.64/3,543,640.80
  6. Step 6: Final answer
    x = 1,949,230.80

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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.