Home / 2,665,372.78-3,998,055.93-868,253.32

Finding the Fourth Proportional to 2,665,372.78, 3,998,055.93 and 868,253.32

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Solution

The fourth proportional to 2,665,372.78, 3,998,055.93 and 868,253.32 is: 1,302,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,372.78 : 3,998,055.93 = 868,253.32 : x
  2. Step 2: Convert to fraction form
    2,665,372.78/3,998,055.93 = 868,253.32/x
  3. Step 3: Cross multiply
    2,665,372.78x = 3,998,055.93 × 868,253.32
  4. Step 4: Simplify right side
    2,665,372.78x = 3,471,325,336,509.81
  5. Step 5: Solve for x
    x = 3,471,325,336,509.81/2,665,372.78
  6. Step 6: Final answer
    x = 1,302,378.92

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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.