Home / 2,662,985.92-3,675,604.08-1,643,805.04

Finding the Fourth Proportional to 2,662,985.92, 3,675,604.08 and 1,643,805.04

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Solution

The fourth proportional to 2,662,985.92, 3,675,604.08 and 1,643,805.04 is: 2,268,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,985.92 : 3,675,604.08 = 1,643,805.04 : x
  2. Step 2: Convert to fraction form
    2,662,985.92/3,675,604.08 = 1,643,805.04/x
  3. Step 3: Cross multiply
    2,662,985.92x = 3,675,604.08 × 1,643,805.04
  4. Step 4: Simplify right side
    2,662,985.92x = 6,041,976,511,748.56
  5. Step 5: Solve for x
    x = 6,041,976,511,748.56/2,662,985.92
  6. Step 6: Final answer
    x = 2,268,872.87

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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.