Home / 3,989,882.12-5,506,072.52-2,271,113.28

Finding the Fourth Proportional to 3,989,882.12, 5,506,072.52 and 2,271,113.28

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Solution

The fourth proportional to 3,989,882.12, 5,506,072.52 and 2,271,113.28 is: 3,134,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,882.12 : 5,506,072.52 = 2,271,113.28 : x
  2. Step 2: Convert to fraction form
    3,989,882.12/5,506,072.52 = 2,271,113.28/x
  3. Step 3: Cross multiply
    3,989,882.12x = 5,506,072.52 × 2,271,113.28
  4. Step 4: Simplify right side
    3,989,882.12x = 12,504,914,420,815.06
  5. Step 5: Solve for x
    x = 12,504,914,420,815.06/3,989,882.12
  6. Step 6: Final answer
    x = 3,134,156.36

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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.