Home / 3,205,629.45-4,809,343.12-1,287,887.32

Finding the Fourth Proportional to 3,205,629.45, 4,809,343.12 and 1,287,887.32

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Solution

The fourth proportional to 3,205,629.45, 4,809,343.12 and 1,287,887.32 is: 1,932,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205,629.45 : 4,809,343.12 = 1,287,887.32 : x
  2. Step 2: Convert to fraction form
    3,205,629.45/4,809,343.12 = 1,287,887.32/x
  3. Step 3: Cross multiply
    3,205,629.45x = 4,809,343.12 × 1,287,887.32
  4. Step 4: Simplify right side
    3,205,629.45x = 6,193,892,012,854.08
  5. Step 5: Solve for x
    x = 6,193,892,012,854.08/3,205,629.45
  6. Step 6: Final answer
    x = 1,932,192.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.