Home / 2,308,706.88-3,186,010.44-1,290,111.66

Finding the Fourth Proportional to 2,308,706.88, 3,186,010.44 and 1,290,111.66

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Solution

The fourth proportional to 2,308,706.88, 3,186,010.44 and 1,290,111.66 is: 1,780,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,706.88 : 3,186,010.44 = 1,290,111.66 : x
  2. Step 2: Convert to fraction form
    2,308,706.88/3,186,010.44 = 1,290,111.66/x
  3. Step 3: Cross multiply
    2,308,706.88x = 3,186,010.44 × 1,290,111.66
  4. Step 4: Simplify right side
    2,308,706.88x = 4,110,309,217,525.73
  5. Step 5: Solve for x
    x = 4,110,309,217,525.73/2,308,706.88
  6. Step 6: Final answer
    x = 1,780,351.27

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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.