Home / 2,638,884.30-3,958,326.45-1,799,076.30

Finding the Fourth Proportional to 2,638,884.30, 3,958,326.45 and 1,799,076.30

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Solution

The fourth proportional to 2,638,884.30, 3,958,326.45 and 1,799,076.30 is: 2,698,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,884.30 : 3,958,326.45 = 1,799,076.30 : x
  2. Step 2: Convert to fraction form
    2,638,884.30/3,958,326.45 = 1,799,076.30/x
  3. Step 3: Cross multiply
    2,638,884.30x = 3,958,326.45 × 1,799,076.30
  4. Step 4: Simplify right side
    2,638,884.30x = 7,121,331,303,858.14
  5. Step 5: Solve for x
    x = 7,121,331,303,858.14/2,638,884.30
  6. Step 6: Final answer
    x = 2,698,614.45

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Double scale
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Similar ratio
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1.5x scale

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.