Home / 2,268,902.64-3,131,045.10-1,236,419.40

Finding the Fourth Proportional to 2,268,902.64, 3,131,045.10 and 1,236,419.40

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Solution

The fourth proportional to 2,268,902.64, 3,131,045.10 and 1,236,419.40 is: 1,706,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,902.64 : 3,131,045.10 = 1,236,419.40 : x
  2. Step 2: Convert to fraction form
    2,268,902.64/3,131,045.10 = 1,236,419.40/x
  3. Step 3: Cross multiply
    2,268,902.64x = 3,131,045.10 × 1,236,419.40
  4. Step 4: Simplify right side
    2,268,902.64x = 3,871,284,903,914.94
  5. Step 5: Solve for x
    x = 3,871,284,903,914.94/2,268,902.64
  6. Step 6: Final answer
    x = 1,706,236.68

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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.