Home / 2,128,723.74-3,194,020.98-1,117,610.73

Finding the Fourth Proportional to 2,128,723.74, 3,194,020.98 and 1,117,610.73

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Solution

The fourth proportional to 2,128,723.74, 3,194,020.98 and 1,117,610.73 is: 1,676,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,723.74 : 3,194,020.98 = 1,117,610.73 : x
  2. Step 2: Convert to fraction form
    2,128,723.74/3,194,020.98 = 1,117,610.73/x
  3. Step 3: Cross multiply
    2,128,723.74x = 3,194,020.98 × 1,117,610.73
  4. Step 4: Simplify right side
    2,128,723.74x = 3,569,672,119,093.12
  5. Step 5: Solve for x
    x = 3,569,672,119,093.12/2,128,723.74
  6. Step 6: Final answer
    x = 1,676,907.18

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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.