Home / 2,106,120.24-3,159,655.74-666,891

Finding the Fourth Proportional to 2,106,120.24, 3,159,655.74 and 666,891

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Solution

The fourth proportional to 2,106,120.24, 3,159,655.74 and 666,891 is: 1,000,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,120.24 : 3,159,655.74 = 666,891 : x
  2. Step 2: Convert to fraction form
    2,106,120.24/3,159,655.74 = 666,891/x
  3. Step 3: Cross multiply
    2,106,120.24x = 3,159,655.74 × 666,891
  4. Step 4: Simplify right side
    2,106,120.24x = 2,107,145,976,104.34
  5. Step 5: Solve for x
    x = 2,107,145,976,104.34/2,106,120.24
  6. Step 6: Final answer
    x = 1,000,487.03

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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.