Home / 5,091,954.72-7,026,947.40-2,800,131.12

Finding the Fourth Proportional to 5,091,954.72, 7,026,947.40 and 2,800,131.12

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Solution

The fourth proportional to 5,091,954.72, 7,026,947.40 and 2,800,131.12 is: 3,864,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091,954.72 : 7,026,947.40 = 2,800,131.12 : x
  2. Step 2: Convert to fraction form
    5,091,954.72/7,026,947.40 = 2,800,131.12/x
  3. Step 3: Cross multiply
    5,091,954.72x = 7,026,947.40 × 2,800,131.12
  4. Step 4: Simplify right side
    5,091,954.72x = 19,676,374,093,343.09
  5. Step 5: Solve for x
    x = 19,676,374,093,343.09/5,091,954.72
  6. Step 6: Final answer
    x = 3,864,208.38

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Double scale
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1.5x scale

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.