Home / 2,136,072.36-2,947,196.91-1,217,966.64

Finding the Fourth Proportional to 2,136,072.36, 2,947,196.91 and 1,217,966.64

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Solution

The fourth proportional to 2,136,072.36, 2,947,196.91 and 1,217,966.64 is: 1,680,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,072.36 : 2,947,196.91 = 1,217,966.64 : x
  2. Step 2: Convert to fraction form
    2,136,072.36/2,947,196.91 = 1,217,966.64/x
  3. Step 3: Cross multiply
    2,136,072.36x = 2,947,196.91 × 1,217,966.64
  4. Step 4: Simplify right side
    2,136,072.36x = 3,589,587,517,891.08
  5. Step 5: Solve for x
    x = 3,589,587,517,891.08/2,136,072.36
  6. Step 6: Final answer
    x = 1,680,461.57

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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.