Home / 2,126,128.92-3,188,649.06-629,871

Finding the Fourth Proportional to 2,126,128.92, 3,188,649.06 and 629,871

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Solution

The fourth proportional to 2,126,128.92, 3,188,649.06 and 629,871 is: 944,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,128.92 : 3,188,649.06 = 629,871 : x
  2. Step 2: Convert to fraction form
    2,126,128.92/3,188,649.06 = 629,871/x
  3. Step 3: Cross multiply
    2,126,128.92x = 3,188,649.06 × 629,871
  4. Step 4: Simplify right side
    2,126,128.92x = 2,008,437,572,071.26
  5. Step 5: Solve for x
    x = 2,008,437,572,071.26/2,126,128.92
  6. Step 6: Final answer
    x = 944,645.24

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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.