Home / 3,385,655.12-5,079,907.26-2,107,331.74

Finding the Fourth Proportional to 3,385,655.12, 5,079,907.26 and 2,107,331.74

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Solution

The fourth proportional to 3,385,655.12, 5,079,907.26 and 2,107,331.74 is: 3,161,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385,655.12 : 5,079,907.26 = 2,107,331.74 : x
  2. Step 2: Convert to fraction form
    3,385,655.12/5,079,907.26 = 2,107,331.74/x
  3. Step 3: Cross multiply
    3,385,655.12x = 5,079,907.26 × 2,107,331.74
  4. Step 4: Simplify right side
    3,385,655.12x = 10,705,049,805,254.43
  5. Step 5: Solve for x
    x = 10,705,049,805,254.43/3,385,655.12
  6. Step 6: Final answer
    x = 3,161,884.31

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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.