Home / 2,139,449.54-2,952,306.54-1,172,511.23

Finding the Fourth Proportional to 2,139,449.54, 2,952,306.54 and 1,172,511.23

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Solution

The fourth proportional to 2,139,449.54, 2,952,306.54 and 1,172,511.23 is: 1,617,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,449.54 : 2,952,306.54 = 1,172,511.23 : x
  2. Step 2: Convert to fraction form
    2,139,449.54/2,952,306.54 = 1,172,511.23/x
  3. Step 3: Cross multiply
    2,139,449.54x = 2,952,306.54 × 1,172,511.23
  4. Step 4: Simplify right side
    2,139,449.54x = 3,461,612,557,790.91
  5. Step 5: Solve for x
    x = 3,461,612,557,790.91/2,139,449.54
  6. Step 6: Final answer
    x = 1,617,992.15

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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.