Home / 1,763,513.72-2,643,170.46-1,228,136.12

Finding the Fourth Proportional to 1,763,513.72, 2,643,170.46 and 1,228,136.12

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Solution

The fourth proportional to 1,763,513.72, 2,643,170.46 and 1,228,136.12 is: 1,840,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,513.72 : 2,643,170.46 = 1,228,136.12 : x
  2. Step 2: Convert to fraction form
    1,763,513.72/2,643,170.46 = 1,228,136.12/x
  3. Step 3: Cross multiply
    1,763,513.72x = 2,643,170.46 × 1,228,136.12
  4. Step 4: Simplify right side
    1,763,513.72x = 3,246,173,113,243.02
  5. Step 5: Solve for x
    x = 3,246,173,113,243.02/1,763,513.72
  6. Step 6: Final answer
    x = 1,840,741.63

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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.