Home / 3,959,943.12-5,938,962.48-1,827,979.20

Finding the Fourth Proportional to 3,959,943.12, 5,938,962.48 and 1,827,979.20

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Solution

The fourth proportional to 3,959,943.12, 5,938,962.48 and 1,827,979.20 is: 2,741,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,943.12 : 5,938,962.48 = 1,827,979.20 : x
  2. Step 2: Convert to fraction form
    3,959,943.12/5,938,962.48 = 1,827,979.20/x
  3. Step 3: Cross multiply
    3,959,943.12x = 5,938,962.48 × 1,827,979.20
  4. Step 4: Simplify right side
    3,959,943.12x = 10,856,299,883,020.42
  5. Step 5: Solve for x
    x = 10,856,299,883,020.42/3,959,943.12
  6. Step 6: Final answer
    x = 2,741,529.25

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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.