Home / 2,609,166.30-3,914,118.51-812,231.10

Finding the Fourth Proportional to 2,609,166.30, 3,914,118.51 and 812,231.10

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Solution

The fourth proportional to 2,609,166.30, 3,914,118.51 and 812,231.10 is: 1,218,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,166.30 : 3,914,118.51 = 812,231.10 : x
  2. Step 2: Convert to fraction form
    2,609,166.30/3,914,118.51 = 812,231.10/x
  3. Step 3: Cross multiply
    2,609,166.30x = 3,914,118.51 × 812,231.10
  4. Step 4: Simplify right side
    2,609,166.30x = 3,179,168,782,907.66
  5. Step 5: Solve for x
    x = 3,179,168,782,907.66/2,609,166.30
  6. Step 6: Final answer
    x = 1,218,461.54

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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.