Home / 3,818,934.87-5,268,840.39-2,164,904.65

Finding the Fourth Proportional to 3,818,934.87, 5,268,840.39 and 2,164,904.65

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Solution

The fourth proportional to 3,818,934.87, 5,268,840.39 and 2,164,904.65 is: 2,986,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,934.87 : 5,268,840.39 = 2,164,904.65 : x
  2. Step 2: Convert to fraction form
    3,818,934.87/5,268,840.39 = 2,164,904.65/x
  3. Step 3: Cross multiply
    3,818,934.87x = 5,268,840.39 × 2,164,904.65
  4. Step 4: Simplify right side
    3,818,934.87x = 11,406,537,060,418.81
  5. Step 5: Solve for x
    x = 11,406,537,060,418.81/3,818,934.87
  6. Step 6: Final answer
    x = 2,986,837.29

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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.