Home / 6,431,318.12-8,874,884.34-3,817,930.28

Finding the Fourth Proportional to 6,431,318.12, 8,874,884.34 and 3,817,930.28

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Solution

The fourth proportional to 6,431,318.12, 8,874,884.34 and 3,817,930.28 is: 5,268,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431,318.12 : 8,874,884.34 = 3,817,930.28 : x
  2. Step 2: Convert to fraction form
    6,431,318.12/8,874,884.34 = 3,817,930.28/x
  3. Step 3: Cross multiply
    6,431,318.12x = 8,874,884.34 × 3,817,930.28
  4. Step 4: Simplify right side
    6,431,318.12x = 33,883,689,653,183.81
  5. Step 5: Solve for x
    x = 33,883,689,653,183.81/6,431,318.12
  6. Step 6: Final answer
    x = 5,268,545.11

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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.