Home / 2,947,485.28-4,067,500.98-1,640,716.60

Finding the Fourth Proportional to 2,947,485.28, 4,067,500.98 and 1,640,716.60

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Solution

The fourth proportional to 2,947,485.28, 4,067,500.98 and 1,640,716.60 is: 2,264,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,485.28 : 4,067,500.98 = 1,640,716.60 : x
  2. Step 2: Convert to fraction form
    2,947,485.28/4,067,500.98 = 1,640,716.60/x
  3. Step 3: Cross multiply
    2,947,485.28x = 4,067,500.98 × 1,640,716.60
  4. Step 4: Simplify right side
    2,947,485.28x = 6,673,616,378,402.27
  5. Step 5: Solve for x
    x = 6,673,616,378,402.27/2,947,485.28
  6. Step 6: Final answer
    x = 2,264,172.93

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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.