Home / 2,136,221.44-3,204,856.32-640,312

Finding the Fourth Proportional to 2,136,221.44, 3,204,856.32 and 640,312

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Solution

The fourth proportional to 2,136,221.44, 3,204,856.32 and 640,312 is: 960,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,221.44 : 3,204,856.32 = 640,312 : x
  2. Step 2: Convert to fraction form
    2,136,221.44/3,204,856.32 = 640,312/x
  3. Step 3: Cross multiply
    2,136,221.44x = 3,204,856.32 × 640,312
  4. Step 4: Simplify right side
    2,136,221.44x = 2,052,107,959,971.84
  5. Step 5: Solve for x
    x = 2,052,107,959,971.84/2,136,221.44
  6. Step 6: Final answer
    x = 960,625.11

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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.