Home / 2,122,948.88-2,929,640.36-1,205,170

Finding the Fourth Proportional to 2,122,948.88, 2,929,640.36 and 1,205,170

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Solution

The fourth proportional to 2,122,948.88, 2,929,640.36 and 1,205,170 is: 1,663,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,948.88 : 2,929,640.36 = 1,205,170 : x
  2. Step 2: Convert to fraction form
    2,122,948.88/2,929,640.36 = 1,205,170/x
  3. Step 3: Cross multiply
    2,122,948.88x = 2,929,640.36 × 1,205,170
  4. Step 4: Simplify right side
    2,122,948.88x = 3,530,714,672,661.20
  5. Step 5: Solve for x
    x = 3,530,714,672,661.20/2,122,948.88
  6. Step 6: Final answer
    x = 1,663,118.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.