Home / 2,109,702.82-3,164,554.24-512,255.16

Finding the Fourth Proportional to 2,109,702.82, 3,164,554.24 and 512,255.16

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Solution

The fourth proportional to 2,109,702.82, 3,164,554.24 and 512,255.16 is: 768,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,702.82 : 3,164,554.24 = 512,255.16 : x
  2. Step 2: Convert to fraction form
    2,109,702.82/3,164,554.24 = 512,255.16/x
  3. Step 3: Cross multiply
    2,109,702.82x = 3,164,554.24 × 512,255.16
  4. Step 4: Simplify right side
    2,109,702.82x = 1,621,059,222,717.11
  5. Step 5: Solve for x
    x = 1,621,059,222,717.11/2,109,702.82
  6. Step 6: Final answer
    x = 768,382.73

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Double scale
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1.5x scale

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.