Home / 2,173,823.10-2,999,723.09-1,206,895.73

Finding the Fourth Proportional to 2,173,823.10, 2,999,723.09 and 1,206,895.73

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Solution

The fourth proportional to 2,173,823.10, 2,999,723.09 and 1,206,895.73 is: 1,665,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,823.10 : 2,999,723.09 = 1,206,895.73 : x
  2. Step 2: Convert to fraction form
    2,173,823.10/2,999,723.09 = 1,206,895.73/x
  3. Step 3: Cross multiply
    2,173,823.10x = 2,999,723.09 × 1,206,895.73
  4. Step 4: Simplify right side
    2,173,823.10x = 3,620,352,967,470.31
  5. Step 5: Solve for x
    x = 3,620,352,967,470.31/2,173,823.10
  6. Step 6: Final answer
    x = 1,665,431.27

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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.