Home / 1,942,720.80-2,914,081.20-1,102,912.80

Finding the Fourth Proportional to 1,942,720.80, 2,914,081.20 and 1,102,912.80

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Solution

The fourth proportional to 1,942,720.80, 2,914,081.20 and 1,102,912.80 is: 1,654,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,720.80 : 2,914,081.20 = 1,102,912.80 : x
  2. Step 2: Convert to fraction form
    1,942,720.80/2,914,081.20 = 1,102,912.80/x
  3. Step 3: Cross multiply
    1,942,720.80x = 2,914,081.20 × 1,102,912.80
  4. Step 4: Simplify right side
    1,942,720.80x = 3,213,977,455,719.36
  5. Step 5: Solve for x
    x = 3,213,977,455,719.36/1,942,720.80
  6. Step 6: Final answer
    x = 1,654,369.20

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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.