Home / 2,491,309.05-3,438,006.48-1,345,389.33

Finding the Fourth Proportional to 2,491,309.05, 3,438,006.48 and 1,345,389.33

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Solution

The fourth proportional to 2,491,309.05, 3,438,006.48 and 1,345,389.33 is: 1,856,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,309.05 : 3,438,006.48 = 1,345,389.33 : x
  2. Step 2: Convert to fraction form
    2,491,309.05/3,438,006.48 = 1,345,389.33/x
  3. Step 3: Cross multiply
    2,491,309.05x = 3,438,006.48 × 1,345,389.33
  4. Step 4: Simplify right side
    2,491,309.05x = 4,625,457,234,662.86
  5. Step 5: Solve for x
    x = 4,625,457,234,662.86/2,491,309.05
  6. Step 6: Final answer
    x = 1,856,637.27

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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.