Home / 2,105,991.92-3,158,997.10-666,682.36

Finding the Fourth Proportional to 2,105,991.92, 3,158,997.10 and 666,682.36

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Solution

The fourth proportional to 2,105,991.92, 3,158,997.10 and 666,682.36 is: 1,000,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,991.92 : 3,158,997.10 = 666,682.36 : x
  2. Step 2: Convert to fraction form
    2,105,991.92/3,158,997.10 = 666,682.36/x
  3. Step 3: Cross multiply
    2,105,991.92x = 3,158,997.10 × 666,682.36
  4. Step 4: Simplify right side
    2,105,991.92x = 2,106,047,632,296.96
  5. Step 5: Solve for x
    x = 2,106,047,632,296.96/2,105,991.92
  6. Step 6: Final answer
    x = 1,000,026.45

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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.