Home / 2,428,156.93-3,350,768.75-1,340,405.15

Finding the Fourth Proportional to 2,428,156.93, 3,350,768.75 and 1,340,405.15

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Solution

The fourth proportional to 2,428,156.93, 3,350,768.75 and 1,340,405.15 is: 1,849,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,156.93 : 3,350,768.75 = 1,340,405.15 : x
  2. Step 2: Convert to fraction form
    2,428,156.93/3,350,768.75 = 1,340,405.15/x
  3. Step 3: Cross multiply
    2,428,156.93x = 3,350,768.75 × 1,340,405.15
  4. Step 4: Simplify right side
    2,428,156.93x = 4,491,387,682,257.04
  5. Step 5: Solve for x
    x = 4,491,387,682,257.04/2,428,156.93
  6. Step 6: Final answer
    x = 1,849,710.63

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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.