Home / 4,090,142.40-6,135,213.60-1,098,628.80

Finding the Fourth Proportional to 4,090,142.40, 6,135,213.60 and 1,098,628.80

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Solution

The fourth proportional to 4,090,142.40, 6,135,213.60 and 1,098,628.80 is: 1,647,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,142.40 : 6,135,213.60 = 1,098,628.80 : x
  2. Step 2: Convert to fraction form
    4,090,142.40/6,135,213.60 = 1,098,628.80/x
  3. Step 3: Cross multiply
    4,090,142.40x = 6,135,213.60 × 1,098,628.80
  4. Step 4: Simplify right side
    4,090,142.40x = 6,740,322,355,111.68
  5. Step 5: Solve for x
    x = 6,740,322,355,111.68/4,090,142.40
  6. Step 6: Final answer
    x = 1,647,943.20

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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.