Home / 2,109,916.29-3,164,874.48-512,468.62

Finding the Fourth Proportional to 2,109,916.29, 3,164,874.48 and 512,468.62

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Solution

The fourth proportional to 2,109,916.29, 3,164,874.48 and 512,468.62 is: 768,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,916.29 : 3,164,874.48 = 512,468.62 : x
  2. Step 2: Convert to fraction form
    2,109,916.29/3,164,874.48 = 512,468.62/x
  3. Step 3: Cross multiply
    2,109,916.29x = 3,164,874.48 × 512,468.62
  4. Step 4: Simplify right side
    2,109,916.29x = 1,621,898,849,326.63
  5. Step 5: Solve for x
    x = 1,621,898,849,326.63/2,109,916.29
  6. Step 6: Final answer
    x = 768,702.94

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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.