Home / 2,236,361.76-3,085,368.78-1,268,931.72

Finding the Fourth Proportional to 2,236,361.76, 3,085,368.78 and 1,268,931.72

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Solution

The fourth proportional to 2,236,361.76, 3,085,368.78 and 1,268,931.72 is: 1,750,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,361.76 : 3,085,368.78 = 1,268,931.72 : x
  2. Step 2: Convert to fraction form
    2,236,361.76/3,085,368.78 = 1,268,931.72/x
  3. Step 3: Cross multiply
    2,236,361.76x = 3,085,368.78 × 1,268,931.72
  4. Step 4: Simplify right side
    2,236,361.76x = 3,915,122,312,839.70
  5. Step 5: Solve for x
    x = 3,915,122,312,839.70/2,236,361.76
  6. Step 6: Final answer
    x = 1,750,665.92

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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.