Home / 2,196,965.80-3,297,392.70-1,297,282.60

Finding the Fourth Proportional to 2,196,965.80, 3,297,392.70 and 1,297,282.60

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Solution

The fourth proportional to 2,196,965.80, 3,297,392.70 and 1,297,282.60 is: 1,947,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,965.80 : 3,297,392.70 = 1,297,282.60 : x
  2. Step 2: Convert to fraction form
    2,196,965.80/3,297,392.70 = 1,297,282.60/x
  3. Step 3: Cross multiply
    2,196,965.80x = 3,297,392.70 × 1,297,282.60
  4. Step 4: Simplify right side
    2,196,965.80x = 4,277,650,175,077.02
  5. Step 5: Solve for x
    x = 4,277,650,175,077.02/2,196,965.80
  6. Step 6: Final answer
    x = 1,947,071.81

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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.