Home / 2,107,645.75-3,161,476.86-510,206.23

Finding the Fourth Proportional to 2,107,645.75, 3,161,476.86 and 510,206.23

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Solution

The fourth proportional to 2,107,645.75, 3,161,476.86 and 510,206.23 is: 765,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,645.75 : 3,161,476.86 = 510,206.23 : x
  2. Step 2: Convert to fraction form
    2,107,645.75/3,161,476.86 = 510,206.23/x
  3. Step 3: Cross multiply
    2,107,645.75x = 3,161,476.86 × 510,206.23
  4. Step 4: Simplify right side
    2,107,645.75x = 1,613,005,189,972.84
  5. Step 5: Solve for x
    x = 1,613,005,189,972.84/2,107,645.75
  6. Step 6: Final answer
    x = 765,311.34

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Double scale
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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.