Home / 2,146,402.80-2,961,975.60-1,179,532.80

Finding the Fourth Proportional to 2,146,402.80, 2,961,975.60 and 1,179,532.80

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Solution

The fourth proportional to 2,146,402.80, 2,961,975.60 and 1,179,532.80 is: 1,627,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,402.80 : 2,961,975.60 = 1,179,532.80 : x
  2. Step 2: Convert to fraction form
    2,146,402.80/2,961,975.60 = 1,179,532.80/x
  3. Step 3: Cross multiply
    2,146,402.80x = 2,961,975.60 × 1,179,532.80
  4. Step 4: Simplify right side
    2,146,402.80x = 3,493,747,372,999.68
  5. Step 5: Solve for x
    x = 3,493,747,372,999.68/2,146,402.80
  6. Step 6: Final answer
    x = 1,627,722.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.