Home / 2,662,305.38-3,993,458.06-640,549.32

Finding the Fourth Proportional to 2,662,305.38, 3,993,458.06 and 640,549.32

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Solution

The fourth proportional to 2,662,305.38, 3,993,458.06 and 640,549.32 is: 960,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,305.38 : 3,993,458.06 = 640,549.32 : x
  2. Step 2: Convert to fraction form
    2,662,305.38/3,993,458.06 = 640,549.32/x
  3. Step 3: Cross multiply
    2,662,305.38x = 3,993,458.06 × 640,549.32
  4. Step 4: Simplify right side
    2,662,305.38x = 2,558,006,831,407.42
  5. Step 5: Solve for x
    x = 2,558,006,831,407.42/2,662,305.38
  6. Step 6: Final answer
    x = 960,823.97

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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.