Home / 3,394,915.09-4,684,889.40-1,867,022.20

Finding the Fourth Proportional to 3,394,915.09, 4,684,889.40 and 1,867,022.20

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Solution

The fourth proportional to 3,394,915.09, 4,684,889.40 and 1,867,022.20 is: 2,576,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,915.09 : 4,684,889.40 = 1,867,022.20 : x
  2. Step 2: Convert to fraction form
    3,394,915.09/4,684,889.40 = 1,867,022.20/x
  3. Step 3: Cross multiply
    3,394,915.09x = 4,684,889.40 × 1,867,022.20
  4. Step 4: Simplify right side
    3,394,915.09x = 8,746,792,514,344.68
  5. Step 5: Solve for x
    x = 8,746,792,514,344.68/3,394,915.09
  6. Step 6: Final answer
    x = 2,576,439.26

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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.