Home / 3,608,782.43-4,980,119.65-1,977,251.61

Finding the Fourth Proportional to 3,608,782.43, 4,980,119.65 and 1,977,251.61

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Solution

The fourth proportional to 3,608,782.43, 4,980,119.65 and 1,977,251.61 is: 2,728,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,782.43 : 4,980,119.65 = 1,977,251.61 : x
  2. Step 2: Convert to fraction form
    3,608,782.43/4,980,119.65 = 1,977,251.61/x
  3. Step 3: Cross multiply
    3,608,782.43x = 4,980,119.65 × 1,977,251.61
  4. Step 4: Simplify right side
    3,608,782.43x = 9,846,949,591,012.01
  5. Step 5: Solve for x
    x = 9,846,949,591,012.01/3,608,782.43
  6. Step 6: Final answer
    x = 2,728,607.16

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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.