Home / 2,259,405.78-3,117,968.70-1,226,904.36

Finding the Fourth Proportional to 2,259,405.78, 3,117,968.70 and 1,226,904.36

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Solution

The fourth proportional to 2,259,405.78, 3,117,968.70 and 1,226,904.36 is: 1,693,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,405.78 : 3,117,968.70 = 1,226,904.36 : x
  2. Step 2: Convert to fraction form
    2,259,405.78/3,117,968.70 = 1,226,904.36/x
  3. Step 3: Cross multiply
    2,259,405.78x = 3,117,968.70 × 1,226,904.36
  4. Step 4: Simplify right side
    2,259,405.78x = 3,825,449,392,373.53
  5. Step 5: Solve for x
    x = 3,825,449,392,373.53/2,259,405.78
  6. Step 6: Final answer
    x = 1,693,121.89

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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.