Home / 2,666,941.54-3,680,390.55-1,443,247.12

Finding the Fourth Proportional to 2,666,941.54, 3,680,390.55 and 1,443,247.12

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Solution

The fourth proportional to 2,666,941.54, 3,680,390.55 and 1,443,247.12 is: 1,991,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,941.54 : 3,680,390.55 = 1,443,247.12 : x
  2. Step 2: Convert to fraction form
    2,666,941.54/3,680,390.55 = 1,443,247.12/x
  3. Step 3: Cross multiply
    2,666,941.54x = 3,680,390.55 × 1,443,247.12
  4. Step 4: Simplify right side
    2,666,941.54x = 5,311,713,055,107.35
  5. Step 5: Solve for x
    x = 5,311,713,055,107.35/2,666,941.54
  6. Step 6: Final answer
    x = 1,991,687.10

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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.