Home / 2,318,205.71-3,199,076.21-1,285,546.85

Finding the Fourth Proportional to 2,318,205.71, 3,199,076.21 and 1,285,546.85

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Solution

The fourth proportional to 2,318,205.71, 3,199,076.21 and 1,285,546.85 is: 1,774,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,205.71 : 3,199,076.21 = 1,285,546.85 : x
  2. Step 2: Convert to fraction form
    2,318,205.71/3,199,076.21 = 1,285,546.85/x
  3. Step 3: Cross multiply
    2,318,205.71x = 3,199,076.21 × 1,285,546.85
  4. Step 4: Simplify right side
    2,318,205.71x = 4,112,562,328,680.06
  5. Step 5: Solve for x
    x = 4,112,562,328,680.06/2,318,205.71
  6. Step 6: Final answer
    x = 1,774,028.21

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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.