Home / 3,830,548.38-5,286,172.77-2,111,631.18

Finding the Fourth Proportional to 3,830,548.38, 5,286,172.77 and 2,111,631.18

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Solution

The fourth proportional to 3,830,548.38, 5,286,172.77 and 2,111,631.18 is: 2,914,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,548.38 : 5,286,172.77 = 2,111,631.18 : x
  2. Step 2: Convert to fraction form
    3,830,548.38/5,286,172.77 = 2,111,631.18/x
  3. Step 3: Cross multiply
    3,830,548.38x = 5,286,172.77 × 2,111,631.18
  4. Step 4: Simplify right side
    3,830,548.38x = 11,162,447,243,998.97
  5. Step 5: Solve for x
    x = 11,162,447,243,998.97/3,830,548.38
  6. Step 6: Final answer
    x = 2,914,059.85

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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.