Home / 2,227,518.80-3,073,977.20-1,208,923.55

Finding the Fourth Proportional to 2,227,518.80, 3,073,977.20 and 1,208,923.55

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Solution

The fourth proportional to 2,227,518.80, 3,073,977.20 and 1,208,923.55 is: 1,668,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,518.80 : 3,073,977.20 = 1,208,923.55 : x
  2. Step 2: Convert to fraction form
    2,227,518.80/3,073,977.20 = 1,208,923.55/x
  3. Step 3: Cross multiply
    2,227,518.80x = 3,073,977.20 × 1,208,923.55
  4. Step 4: Simplify right side
    2,227,518.80x = 3,716,203,436,928.00
  5. Step 5: Solve for x
    x = 3,716,203,436,928.00/2,227,518.80
  6. Step 6: Final answer
    x = 1,668,315.18

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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.