Home / 3,394,809.66-4,684,743.90-1,866,916.78

Finding the Fourth Proportional to 3,394,809.66, 4,684,743.90 and 1,866,916.78

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Solution

The fourth proportional to 3,394,809.66, 4,684,743.90 and 1,866,916.78 is: 2,576,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,809.66 : 4,684,743.90 = 1,866,916.78 : x
  2. Step 2: Convert to fraction form
    3,394,809.66/4,684,743.90 = 1,866,916.78/x
  3. Step 3: Cross multiply
    3,394,809.66x = 4,684,743.90 × 1,866,916.78
  4. Step 4: Simplify right side
    3,394,809.66x = 8,746,026,996,912.64
  5. Step 5: Solve for x
    x = 8,746,026,996,912.64/3,394,809.66
  6. Step 6: Final answer
    x = 2,576,293.78

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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.