Home / 6,207,842.78-9,309,049.02-3,131,940.68

Finding the Fourth Proportional to 6,207,842.78, 9,309,049.02 and 3,131,940.68

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Solution

The fourth proportional to 6,207,842.78, 9,309,049.02 and 3,131,940.68 is: 4,696,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207,842.78 : 9,309,049.02 = 3,131,940.68 : x
  2. Step 2: Convert to fraction form
    6,207,842.78/9,309,049.02 = 3,131,940.68/x
  3. Step 3: Cross multiply
    6,207,842.78x = 9,309,049.02 × 3,131,940.68
  4. Step 4: Simplify right side
    6,207,842.78x = 29,155,389,317,852.13
  5. Step 5: Solve for x
    x = 29,155,389,317,852.13/6,207,842.78
  6. Step 6: Final answer
    x = 4,696,541.19

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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.