Home / 2,209,647.65-3,049,283.71-1,242,777.68

Finding the Fourth Proportional to 2,209,647.65, 3,049,283.71 and 1,242,777.68

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Solution

The fourth proportional to 2,209,647.65, 3,049,283.71 and 1,242,777.68 is: 1,715,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,647.65 : 3,049,283.71 = 1,242,777.68 : x
  2. Step 2: Convert to fraction form
    2,209,647.65/3,049,283.71 = 1,242,777.68/x
  3. Step 3: Cross multiply
    2,209,647.65x = 3,049,283.71 × 1,242,777.68
  4. Step 4: Simplify right side
    2,209,647.65x = 3,789,581,732,517.46
  5. Step 5: Solve for x
    x = 3,789,581,732,517.46/2,209,647.65
  6. Step 6: Final answer
    x = 1,715,016.30

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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.