Home / 3,420,021.20-5,127,439.80-1,738,331.60

Finding the Fourth Proportional to 3,420,021.20, 5,127,439.80 and 1,738,331.60

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Solution

The fourth proportional to 3,420,021.20, 5,127,439.80 and 1,738,331.60 is: 2,606,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,021.20 : 5,127,439.80 = 1,738,331.60 : x
  2. Step 2: Convert to fraction form
    3,420,021.20/5,127,439.80 = 1,738,331.60/x
  3. Step 3: Cross multiply
    3,420,021.20x = 5,127,439.80 × 1,738,331.60
  4. Step 4: Simplify right side
    3,420,021.20x = 8,913,190,631,437.68
  5. Step 5: Solve for x
    x = 8,913,190,631,437.68/3,420,021.20
  6. Step 6: Final answer
    x = 2,606,179.94

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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.