Home / 2,170,014.80-3,252,689.40-821,656.40

Finding the Fourth Proportional to 2,170,014.80, 3,252,689.40 and 821,656.40

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Solution

The fourth proportional to 2,170,014.80, 3,252,689.40 and 821,656.40 is: 1,231,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,014.80 : 3,252,689.40 = 821,656.40 : x
  2. Step 2: Convert to fraction form
    2,170,014.80/3,252,689.40 = 821,656.40/x
  3. Step 3: Cross multiply
    2,170,014.80x = 3,252,689.40 × 821,656.40
  4. Step 4: Simplify right side
    2,170,014.80x = 2,672,593,062,722.16
  5. Step 5: Solve for x
    x = 2,672,593,062,722.16/2,170,014.80
  6. Step 6: Final answer
    x = 1,231,601.31

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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.