Home / 1,974,226.78-2,724,616.92-1,199,678.86

Finding the Fourth Proportional to 1,974,226.78, 2,724,616.92 and 1,199,678.86

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Solution

The fourth proportional to 1,974,226.78, 2,724,616.92 and 1,199,678.86 is: 1,655,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,226.78 : 2,724,616.92 = 1,199,678.86 : x
  2. Step 2: Convert to fraction form
    1,974,226.78/2,724,616.92 = 1,199,678.86/x
  3. Step 3: Cross multiply
    1,974,226.78x = 2,724,616.92 × 1,199,678.86
  4. Step 4: Simplify right side
    1,974,226.78x = 3,268,665,320,522.31
  5. Step 5: Solve for x
    x = 3,268,665,320,522.31/1,974,226.78
  6. Step 6: Final answer
    x = 1,655,668.62

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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.