Home / 1,840,679.76-2,540,242.62-1,105,858.80

Finding the Fourth Proportional to 1,840,679.76, 2,540,242.62 and 1,105,858.80

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Solution

The fourth proportional to 1,840,679.76, 2,540,242.62 and 1,105,858.80 is: 1,526,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,679.76 : 2,540,242.62 = 1,105,858.80 : x
  2. Step 2: Convert to fraction form
    1,840,679.76/2,540,242.62 = 1,105,858.80/x
  3. Step 3: Cross multiply
    1,840,679.76x = 2,540,242.62 × 1,105,858.80
  4. Step 4: Simplify right side
    1,840,679.76x = 2,809,149,655,462.06
  5. Step 5: Solve for x
    x = 2,809,149,655,462.06/1,840,679.76
  6. Step 6: Final answer
    x = 1,526,147.96

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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.