Home / 3,016,949.06-4,163,471.35-1,640,385.20

Finding the Fourth Proportional to 3,016,949.06, 4,163,471.35 and 1,640,385.20

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Solution

The fourth proportional to 3,016,949.06, 4,163,471.35 and 1,640,385.20 is: 2,263,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,949.06 : 4,163,471.35 = 1,640,385.20 : x
  2. Step 2: Convert to fraction form
    3,016,949.06/4,163,471.35 = 1,640,385.20/x
  3. Step 3: Cross multiply
    3,016,949.06x = 4,163,471.35 × 1,640,385.20
  4. Step 4: Simplify right side
    3,016,949.06x = 6,829,696,783,164.02
  5. Step 5: Solve for x
    x = 6,829,696,783,164.02/3,016,949.06
  6. Step 6: Final answer
    x = 2,263,775.97

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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.