Home / 2,225,450.21-3,071,286.25-1,245,487.45

Finding the Fourth Proportional to 2,225,450.21, 3,071,286.25 and 1,245,487.45

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Solution

The fourth proportional to 2,225,450.21, 3,071,286.25 and 1,245,487.45 is: 1,718,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,450.21 : 3,071,286.25 = 1,245,487.45 : x
  2. Step 2: Convert to fraction form
    2,225,450.21/3,071,286.25 = 1,245,487.45/x
  3. Step 3: Cross multiply
    2,225,450.21x = 3,071,286.25 × 1,245,487.45
  4. Step 4: Simplify right side
    2,225,450.21x = 3,825,248,468,940.63
  5. Step 5: Solve for x
    x = 3,825,248,468,940.63/2,225,450.21
  6. Step 6: Final answer
    x = 1,718,865.00

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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.