Home / 3,989,818.56-5,505,955.88-2,270,939.16

Finding the Fourth Proportional to 3,989,818.56, 5,505,955.88 and 2,270,939.16

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Solution

The fourth proportional to 3,989,818.56, 5,505,955.88 and 2,270,939.16 is: 3,133,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,818.56 : 5,505,955.88 = 2,270,939.16 : x
  2. Step 2: Convert to fraction form
    3,989,818.56/5,505,955.88 = 2,270,939.16/x
  3. Step 3: Cross multiply
    3,989,818.56x = 5,505,955.88 × 2,270,939.16
  4. Step 4: Simplify right side
    3,989,818.56x = 12,503,690,821,124.26
  5. Step 5: Solve for x
    x = 12,503,690,821,124.26/3,989,818.56
  6. Step 6: Final answer
    x = 3,133,899.61

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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.