Home / 2,122,904.77-2,929,579.41-1,205,125.90

Finding the Fourth Proportional to 2,122,904.77, 2,929,579.41 and 1,205,125.90

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Solution

The fourth proportional to 2,122,904.77, 2,929,579.41 and 1,205,125.90 is: 1,663,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,904.77 : 2,929,579.41 = 1,205,125.90 : x
  2. Step 2: Convert to fraction form
    2,122,904.77/2,929,579.41 = 1,205,125.90/x
  3. Step 3: Cross multiply
    2,122,904.77x = 2,929,579.41 × 1,205,125.90
  4. Step 4: Simplify right side
    2,122,904.77x = 3,530,512,015,773.77
  5. Step 5: Solve for x
    x = 3,530,512,015,773.77/2,122,904.77
  6. Step 6: Final answer
    x = 1,663,057.18

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1.5x scale

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.