Home / 2,109,432.64-3,164,168.96-512,010.16

Finding the Fourth Proportional to 2,109,432.64, 3,164,168.96 and 512,010.16

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Solution

The fourth proportional to 2,109,432.64, 3,164,168.96 and 512,010.16 is: 768,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,432.64 : 3,164,168.96 = 512,010.16 : x
  2. Step 2: Convert to fraction form
    2,109,432.64/3,164,168.96 = 512,010.16/x
  3. Step 3: Cross multiply
    2,109,432.64x = 3,164,168.96 × 512,010.16
  4. Step 4: Simplify right side
    2,109,432.64x = 1,620,086,655,476.63
  5. Step 5: Solve for x
    x = 1,620,086,655,476.63/2,109,432.64
  6. Step 6: Final answer
    x = 768,020.09

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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.