Home / 5,215,669.47-7,198,065.98-2,893,310.25

Finding the Fourth Proportional to 5,215,669.47, 7,198,065.98 and 2,893,310.25

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Solution

The fourth proportional to 5,215,669.47, 7,198,065.98 and 2,893,310.25 is: 3,993,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,669.47 : 7,198,065.98 = 2,893,310.25 : x
  2. Step 2: Convert to fraction form
    5,215,669.47/7,198,065.98 = 2,893,310.25/x
  3. Step 3: Cross multiply
    5,215,669.47x = 7,198,065.98 × 2,893,310.25
  4. Step 4: Simplify right side
    5,215,669.47x = 20,826,238,080,110.30
  5. Step 5: Solve for x
    x = 20,826,238,080,110.30/5,215,669.47
  6. Step 6: Final answer
    x = 3,993,013.40

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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.