Home / 3,818,933.87-5,268,839.01-2,164,903.65

Finding the Fourth Proportional to 3,818,933.87, 5,268,839.01 and 2,164,903.65

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Solution

The fourth proportional to 3,818,933.87, 5,268,839.01 and 2,164,903.65 is: 2,986,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,933.87 : 5,268,839.01 = 2,164,903.65 : x
  2. Step 2: Convert to fraction form
    3,818,933.87/5,268,839.01 = 2,164,903.65/x
  3. Step 3: Cross multiply
    3,818,933.87x = 5,268,839.01 × 2,164,903.65
  4. Step 4: Simplify right side
    3,818,933.87x = 11,406,528,804,011.38
  5. Step 5: Solve for x
    x = 11,406,528,804,011.38/3,818,933.87
  6. Step 6: Final answer
    x = 2,986,835.91

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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.