Home / 2,170,723.40-3,256,085.10-1,109,040.20

Finding the Fourth Proportional to 2,170,723.40, 3,256,085.10 and 1,109,040.20

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Solution

The fourth proportional to 2,170,723.40, 3,256,085.10 and 1,109,040.20 is: 1,663,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,723.40 : 3,256,085.10 = 1,109,040.20 : x
  2. Step 2: Convert to fraction form
    2,170,723.40/3,256,085.10 = 1,109,040.20/x
  3. Step 3: Cross multiply
    2,170,723.40x = 3,256,085.10 × 1,109,040.20
  4. Step 4: Simplify right side
    2,170,723.40x = 3,611,129,270,521.02
  5. Step 5: Solve for x
    x = 3,611,129,270,521.02/2,170,723.40
  6. Step 6: Final answer
    x = 1,663,560.30

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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.