Home / 2,196,334.40-3,032,042.16-1,380,986.60

Finding the Fourth Proportional to 2,196,334.40, 3,032,042.16 and 1,380,986.60

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Solution

The fourth proportional to 2,196,334.40, 3,032,042.16 and 1,380,986.60 is: 1,906,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,334.40 : 3,032,042.16 = 1,380,986.60 : x
  2. Step 2: Convert to fraction form
    2,196,334.40/3,032,042.16 = 1,380,986.60/x
  3. Step 3: Cross multiply
    2,196,334.40x = 3,032,042.16 × 1,380,986.60
  4. Step 4: Simplify right side
    2,196,334.40x = 4,187,209,593,595.06
  5. Step 5: Solve for x
    x = 4,187,209,593,595.06/2,196,334.40
  6. Step 6: Final answer
    x = 1,906,453.59

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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.