Home / 2,251,405.74-3,106,940.94-1,218,913.52

Finding the Fourth Proportional to 2,251,405.74, 3,106,940.94 and 1,218,913.52

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Solution

The fourth proportional to 2,251,405.74, 3,106,940.94 and 1,218,913.52 is: 1,682,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,405.74 : 3,106,940.94 = 1,218,913.52 : x
  2. Step 2: Convert to fraction form
    2,251,405.74/3,106,940.94 = 1,218,913.52/x
  3. Step 3: Cross multiply
    2,251,405.74x = 3,106,940.94 × 1,218,913.52
  4. Step 4: Simplify right side
    2,251,405.74x = 3,787,092,317,607.51
  5. Step 5: Solve for x
    x = 3,787,092,317,607.51/2,251,405.74
  6. Step 6: Final answer
    x = 1,682,101.21

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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.