Home / 2,947,485.03-4,067,500.64-1,640,716.35

Finding the Fourth Proportional to 2,947,485.03, 4,067,500.64 and 1,640,716.35

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Solution

The fourth proportional to 2,947,485.03, 4,067,500.64 and 1,640,716.35 is: 2,264,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,485.03 : 4,067,500.64 = 1,640,716.35 : x
  2. Step 2: Convert to fraction form
    2,947,485.03/4,067,500.64 = 1,640,716.35/x
  3. Step 3: Cross multiply
    2,947,485.03x = 4,067,500.64 × 1,640,716.35
  4. Step 4: Simplify right side
    2,947,485.03x = 6,673,614,795,479.88
  5. Step 5: Solve for x
    x = 6,673,614,795,479.88/2,947,485.03
  6. Step 6: Final answer
    x = 2,264,172.58

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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.