Home / 3,155,999.40-4,728,555.90-1,469,644.20

Finding the Fourth Proportional to 3,155,999.40, 4,728,555.90 and 1,469,644.20

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Solution

The fourth proportional to 3,155,999.40, 4,728,555.90 and 1,469,644.20 is: 2,201,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,999.40 : 4,728,555.90 = 1,469,644.20 : x
  2. Step 2: Convert to fraction form
    3,155,999.40/4,728,555.90 = 1,469,644.20/x
  3. Step 3: Cross multiply
    3,155,999.40x = 4,728,555.90 × 1,469,644.20
  4. Step 4: Simplify right side
    3,155,999.40x = 6,949,294,752,810.78
  5. Step 5: Solve for x
    x = 6,949,294,752,810.78/3,155,999.40
  6. Step 6: Final answer
    x = 2,201,931.58

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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.