Home / 3,774,825.66-5,208,939.42-2,120,843.28

Finding the Fourth Proportional to 3,774,825.66, 5,208,939.42 and 2,120,843.28

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Solution

The fourth proportional to 3,774,825.66, 5,208,939.42 and 2,120,843.28 is: 2,926,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774,825.66 : 5,208,939.42 = 2,120,843.28 : x
  2. Step 2: Convert to fraction form
    3,774,825.66/5,208,939.42 = 2,120,843.28/x
  3. Step 3: Cross multiply
    3,774,825.66x = 5,208,939.42 × 2,120,843.28
  4. Step 4: Simplify right side
    3,774,825.66x = 11,047,344,164,834.10
  5. Step 5: Solve for x
    x = 11,047,344,164,834.10/3,774,825.66
  6. Step 6: Final answer
    x = 2,926,583.94

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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.