Home / 2,070,872.09-3,105,268.86-1,206,586.32

Finding the Fourth Proportional to 2,070,872.09, 3,105,268.86 and 1,206,586.32

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Solution

The fourth proportional to 2,070,872.09, 3,105,268.86 and 1,206,586.32 is: 1,809,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,872.09 : 3,105,268.86 = 1,206,586.32 : x
  2. Step 2: Convert to fraction form
    2,070,872.09/3,105,268.86 = 1,206,586.32/x
  3. Step 3: Cross multiply
    2,070,872.09x = 3,105,268.86 × 1,206,586.32
  4. Step 4: Simplify right side
    2,070,872.09x = 3,746,774,920,365.06
  5. Step 5: Solve for x
    x = 3,746,774,920,365.06/2,070,872.09
  6. Step 6: Final answer
    x = 1,809,273.95

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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.