Home / 2,079,128.70-3,117,344.40-880,725.60

Finding the Fourth Proportional to 2,079,128.70, 3,117,344.40 and 880,725.60

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Solution

The fourth proportional to 2,079,128.70, 3,117,344.40 and 880,725.60 is: 1,320,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,128.70 : 3,117,344.40 = 880,725.60 : x
  2. Step 2: Convert to fraction form
    2,079,128.70/3,117,344.40 = 880,725.60/x
  3. Step 3: Cross multiply
    2,079,128.70x = 3,117,344.40 × 880,725.60
  4. Step 4: Simplify right side
    2,079,128.70x = 2,745,525,017,096.64
  5. Step 5: Solve for x
    x = 2,745,525,017,096.64/2,079,128.70
  6. Step 6: Final answer
    x = 1,320,517.11

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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.