Home / 2,109,743.49-3,164,571.49-512,314.95

Finding the Fourth Proportional to 2,109,743.49, 3,164,571.49 and 512,314.95

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Solution

The fourth proportional to 2,109,743.49, 3,164,571.49 and 512,314.95 is: 768,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,743.49 : 3,164,571.49 = 512,314.95 : x
  2. Step 2: Convert to fraction form
    2,109,743.49/3,164,571.49 = 512,314.95/x
  3. Step 3: Cross multiply
    2,109,743.49x = 3,164,571.49 × 512,314.95
  4. Step 4: Simplify right side
    2,109,743.49x = 1,621,257,271,522.85
  5. Step 5: Solve for x
    x = 1,621,257,271,522.85/2,109,743.49
  6. Step 6: Final answer
    x = 768,461.80

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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.