Home / 1,512,141.60-2,268,212.40-1,008,256.80

Finding the Fourth Proportional to 1,512,141.60, 2,268,212.40 and 1,008,256.80

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Solution

The fourth proportional to 1,512,141.60, 2,268,212.40 and 1,008,256.80 is: 1,512,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,141.60 : 2,268,212.40 = 1,008,256.80 : x
  2. Step 2: Convert to fraction form
    1,512,141.60/2,268,212.40 = 1,008,256.80/x
  3. Step 3: Cross multiply
    1,512,141.60x = 2,268,212.40 × 1,008,256.80
  4. Step 4: Simplify right side
    1,512,141.60x = 2,286,940,576,144.32
  5. Step 5: Solve for x
    x = 2,286,940,576,144.32/1,512,141.60
  6. Step 6: Final answer
    x = 1,512,385.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.