Home / 1,770,386.72-2,651,095.78-1,097,781.62

Finding the Fourth Proportional to 1,770,386.72, 2,651,095.78 and 1,097,781.62

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Solution

The fourth proportional to 1,770,386.72, 2,651,095.78 and 1,097,781.62 is: 1,643,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,386.72 : 2,651,095.78 = 1,097,781.62 : x
  2. Step 2: Convert to fraction form
    1,770,386.72/2,651,095.78 = 1,097,781.62/x
  3. Step 3: Cross multiply
    1,770,386.72x = 2,651,095.78 × 1,097,781.62
  4. Step 4: Simplify right side
    1,770,386.72x = 2,910,324,220,143.56
  5. Step 5: Solve for x
    x = 2,910,324,220,143.56/1,770,386.72
  6. Step 6: Final answer
    x = 1,643,891.80

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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.