Home / 2,889,077.80-4,334,135.10-1,206,351.40

Finding the Fourth Proportional to 2,889,077.80, 4,334,135.10 and 1,206,351.40

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Solution

The fourth proportional to 2,889,077.80, 4,334,135.10 and 1,206,351.40 is: 1,809,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,077.80 : 4,334,135.10 = 1,206,351.40 : x
  2. Step 2: Convert to fraction form
    2,889,077.80/4,334,135.10 = 1,206,351.40/x
  3. Step 3: Cross multiply
    2,889,077.80x = 4,334,135.10 × 1,206,351.40
  4. Step 4: Simplify right side
    2,889,077.80x = 5,228,489,945,674.14
  5. Step 5: Solve for x
    x = 5,228,489,945,674.14/2,889,077.80
  6. Step 6: Final answer
    x = 1,809,743.56

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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.