Home / 3,394,916.10-4,684,890.78-1,867,023.20

Finding the Fourth Proportional to 3,394,916.10, 4,684,890.78 and 1,867,023.20

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Solution

The fourth proportional to 3,394,916.10, 4,684,890.78 and 1,867,023.20 is: 2,576,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,916.10 : 4,684,890.78 = 1,867,023.20 : x
  2. Step 2: Convert to fraction form
    3,394,916.10/4,684,890.78 = 1,867,023.20/x
  3. Step 3: Cross multiply
    3,394,916.10x = 4,684,890.78 × 1,867,023.20
  4. Step 4: Simplify right side
    3,394,916.10x = 8,746,799,775,726.10
  5. Step 5: Solve for x
    x = 8,746,799,775,726.10/3,394,916.10
  6. Step 6: Final answer
    x = 2,576,440.63

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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.