Home / 1,728,071.82-2,384,735.11-1,003,343.76

Finding the Fourth Proportional to 1,728,071.82, 2,384,735.11 and 1,003,343.76

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Solution

The fourth proportional to 1,728,071.82, 2,384,735.11 and 1,003,343.76 is: 1,384,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,071.82 : 2,384,735.11 = 1,003,343.76 : x
  2. Step 2: Convert to fraction form
    1,728,071.82/2,384,735.11 = 1,003,343.76/x
  3. Step 3: Cross multiply
    1,728,071.82x = 2,384,735.11 × 1,003,343.76
  4. Step 4: Simplify right side
    1,728,071.82x = 2,392,709,089,363.05
  5. Step 5: Solve for x
    x = 2,392,709,089,363.05/1,728,071.82
  6. Step 6: Final answer
    x = 1,384,612.06

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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.