Home / 2,136,230.19-3,204,869.45-640,320.75

Finding the Fourth Proportional to 2,136,230.19, 3,204,869.45 and 640,320.75

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Solution

The fourth proportional to 2,136,230.19, 3,204,869.45 and 640,320.75 is: 960,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,230.19 : 3,204,869.45 = 640,320.75 : x
  2. Step 2: Convert to fraction form
    2,136,230.19/3,204,869.45 = 640,320.75/x
  3. Step 3: Cross multiply
    2,136,230.19x = 3,204,869.45 × 640,320.75
  4. Step 4: Simplify right side
    2,136,230.19x = 2,052,144,406,674.48
  5. Step 5: Solve for x
    x = 2,052,144,406,674.48/2,136,230.19
  6. Step 6: Final answer
    x = 960,638.24

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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.