Home / 2,109,744.49-3,164,572.99-512,315.95

Finding the Fourth Proportional to 2,109,744.49, 3,164,572.99 and 512,315.95

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Solution

The fourth proportional to 2,109,744.49, 3,164,572.99 and 512,315.95 is: 768,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,744.49 : 3,164,572.99 = 512,315.95 : x
  2. Step 2: Convert to fraction form
    2,109,744.49/3,164,572.99 = 512,315.95/x
  3. Step 3: Cross multiply
    2,109,744.49x = 3,164,572.99 × 512,315.95
  4. Step 4: Simplify right side
    2,109,744.49x = 1,621,261,217,716.19
  5. Step 5: Solve for x
    x = 1,621,261,217,716.19/2,109,744.49
  6. Step 6: Final answer
    x = 768,463.30

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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.