Home / 2,190,192.76-3,287,350.09-1,111,479.79

Finding the Fourth Proportional to 2,190,192.76, 3,287,350.09 and 1,111,479.79

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Solution

The fourth proportional to 2,190,192.76, 3,287,350.09 and 1,111,479.79 is: 1,668,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,192.76 : 3,287,350.09 = 1,111,479.79 : x
  2. Step 2: Convert to fraction form
    2,190,192.76/3,287,350.09 = 1,111,479.79/x
  3. Step 3: Cross multiply
    2,190,192.76x = 3,287,350.09 × 1,111,479.79
  4. Step 4: Simplify right side
    2,190,192.76x = 3,653,823,186,683.31
  5. Step 5: Solve for x
    x = 3,653,823,186,683.31/2,190,192.76
  6. Step 6: Final answer
    x = 1,668,265.57

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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.