Home / 2,169,943.62-3,255,965.19-1,328,036.10

Finding the Fourth Proportional to 2,169,943.62, 3,255,965.19 and 1,328,036.10

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Solution

The fourth proportional to 2,169,943.62, 3,255,965.19 and 1,328,036.10 is: 1,992,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,943.62 : 3,255,965.19 = 1,328,036.10 : x
  2. Step 2: Convert to fraction form
    2,169,943.62/3,255,965.19 = 1,328,036.10/x
  3. Step 3: Cross multiply
    2,169,943.62x = 3,255,965.19 × 1,328,036.10
  4. Step 4: Simplify right side
    2,169,943.62x = 4,324,039,312,663.36
  5. Step 5: Solve for x
    x = 4,324,039,312,663.36/2,169,943.62
  6. Step 6: Final answer
    x = 1,992,696.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.