Home / 1,644,778.61-2,270,418.64-1,472,386.10

Finding the Fourth Proportional to 1,644,778.61, 2,270,418.64 and 1,472,386.10

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Solution

The fourth proportional to 1,644,778.61, 2,270,418.64 and 1,472,386.10 is: 2,032,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,778.61 : 2,270,418.64 = 1,472,386.10 : x
  2. Step 2: Convert to fraction form
    1,644,778.61/2,270,418.64 = 1,472,386.10/x
  3. Step 3: Cross multiply
    1,644,778.61x = 2,270,418.64 × 1,472,386.10
  4. Step 4: Simplify right side
    1,644,778.61x = 3,342,932,846,716.90
  5. Step 5: Solve for x
    x = 3,342,932,846,716.90/1,644,778.61
  6. Step 6: Final answer
    x = 2,032,451.56

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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.