Home / 2,491,259.78-3,437,938.44-1,345,340.12

Finding the Fourth Proportional to 2,491,259.78, 3,437,938.44 and 1,345,340.12

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Solution

The fourth proportional to 2,491,259.78, 3,437,938.44 and 1,345,340.12 is: 1,856,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,259.78 : 3,437,938.44 = 1,345,340.12 : x
  2. Step 2: Convert to fraction form
    2,491,259.78/3,437,938.44 = 1,345,340.12/x
  3. Step 3: Cross multiply
    2,491,259.78x = 3,437,938.44 × 1,345,340.12
  4. Step 4: Simplify right side
    2,491,259.78x = 4,625,196,513,422.21
  5. Step 5: Solve for x
    x = 4,625,196,513,422.21/2,491,259.78
  6. Step 6: Final answer
    x = 1,856,569.34

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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.