Home / 2,162,916.32-2,984,843.86-1,196,111.66

Finding the Fourth Proportional to 2,162,916.32, 2,984,843.86 and 1,196,111.66

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Solution

The fourth proportional to 2,162,916.32, 2,984,843.86 and 1,196,111.66 is: 1,650,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,916.32 : 2,984,843.86 = 1,196,111.66 : x
  2. Step 2: Convert to fraction form
    2,162,916.32/2,984,843.86 = 1,196,111.66/x
  3. Step 3: Cross multiply
    2,162,916.32x = 2,984,843.86 × 1,196,111.66
  4. Step 4: Simplify right side
    2,162,916.32x = 3,570,206,526,310.91
  5. Step 5: Solve for x
    x = 3,570,206,526,310.91/2,162,916.32
  6. Step 6: Final answer
    x = 1,650,644.78

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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.