Home / 3,834,155.60-5,291,135.16-2,115,280.16

Finding the Fourth Proportional to 3,834,155.60, 5,291,135.16 and 2,115,280.16

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Solution

The fourth proportional to 3,834,155.60, 5,291,135.16 and 2,115,280.16 is: 2,919,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,155.60 : 5,291,135.16 = 2,115,280.16 : x
  2. Step 2: Convert to fraction form
    3,834,155.60/5,291,135.16 = 2,115,280.16/x
  3. Step 3: Cross multiply
    3,834,155.60x = 5,291,135.16 × 2,115,280.16
  4. Step 4: Simplify right side
    3,834,155.60x = 11,192,233,227,826.43
  5. Step 5: Solve for x
    x = 11,192,233,227,826.43/3,834,155.60
  6. Step 6: Final answer
    x = 2,919,086.86

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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.