Home / 5,128,805.62-7,077,664.38-2,836,964.44

Finding the Fourth Proportional to 5,128,805.62, 7,077,664.38 and 2,836,964.44

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Solution

The fourth proportional to 5,128,805.62, 7,077,664.38 and 2,836,964.44 is: 3,914,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,805.62 : 7,077,664.38 = 2,836,964.44 : x
  2. Step 2: Convert to fraction form
    5,128,805.62/7,077,664.38 = 2,836,964.44/x
  3. Step 3: Cross multiply
    5,128,805.62x = 7,077,664.38 × 2,836,964.44
  4. Step 4: Simplify right side
    5,128,805.62x = 20,079,082,164,314.65
  5. Step 5: Solve for x
    x = 20,079,082,164,314.65/5,128,805.62
  6. Step 6: Final answer
    x = 3,914,962.60

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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.