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Finding the Fourth Proportional to 3,670,662.64, 5,065,549.12 and 2,016,844.48

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Solution

The fourth proportional to 3,670,662.64, 5,065,549.12 and 2,016,844.48 is: 2,783,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,662.64 : 5,065,549.12 = 2,016,844.48 : x
  2. Step 2: Convert to fraction form
    3,670,662.64/5,065,549.12 = 2,016,844.48/x
  3. Step 3: Cross multiply
    3,670,662.64x = 5,065,549.12 × 2,016,844.48
  4. Step 4: Simplify right side
    3,670,662.64x = 10,216,424,780,840.86
  5. Step 5: Solve for x
    x = 10,216,424,780,840.86/3,670,662.64
  6. Step 6: Final answer
    x = 2,783,264.44

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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.