Home / 1,691,187.05-2,333,933.60-1,003,266.20

Finding the Fourth Proportional to 1,691,187.05, 2,333,933.60 and 1,003,266.20

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Solution

The fourth proportional to 1,691,187.05, 2,333,933.60 and 1,003,266.20 is: 1,384,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,187.05 : 2,333,933.60 = 1,003,266.20 : x
  2. Step 2: Convert to fraction form
    1,691,187.05/2,333,933.60 = 1,003,266.20/x
  3. Step 3: Cross multiply
    1,691,187.05x = 2,333,933.60 × 1,003,266.20
  4. Step 4: Simplify right side
    1,691,187.05x = 2,341,556,694,742.82
  5. Step 5: Solve for x
    x = 2,341,556,694,742.82/1,691,187.05
  6. Step 6: Final answer
    x = 1,384,563.99

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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.