Home / 1,616,241.60-2,422,807.20-1,256,212.80

Finding the Fourth Proportional to 1,616,241.60, 2,422,807.20 and 1,256,212.80

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Solution

The fourth proportional to 1,616,241.60, 2,422,807.20 and 1,256,212.80 is: 1,883,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,241.60 : 2,422,807.20 = 1,256,212.80 : x
  2. Step 2: Convert to fraction form
    1,616,241.60/2,422,807.20 = 1,256,212.80/x
  3. Step 3: Cross multiply
    1,616,241.60x = 2,422,807.20 × 1,256,212.80
  4. Step 4: Simplify right side
    1,616,241.60x = 3,043,561,416,572.16
  5. Step 5: Solve for x
    x = 3,043,561,416,572.16/1,616,241.60
  6. Step 6: Final answer
    x = 1,883,110.43

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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.