Home / 4,247,939.20-6,361,411.20-2,820,265.60

Finding the Fourth Proportional to 4,247,939.20, 6,361,411.20 and 2,820,265.60

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Solution

The fourth proportional to 4,247,939.20, 6,361,411.20 and 2,820,265.60 is: 4,223,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247,939.20 : 6,361,411.20 = 2,820,265.60 : x
  2. Step 2: Convert to fraction form
    4,247,939.20/6,361,411.20 = 2,820,265.60/x
  3. Step 3: Cross multiply
    4,247,939.20x = 6,361,411.20 × 2,820,265.60
  4. Step 4: Simplify right side
    4,247,939.20x = 17,940,869,174,814.72
  5. Step 5: Solve for x
    x = 17,940,869,174,814.72/4,247,939.20
  6. Step 6: Final answer
    x = 4,223,428.90

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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.