Home / 3,016,765.20-4,163,218.08-1,640,201.56

Finding the Fourth Proportional to 3,016,765.20, 4,163,218.08 and 1,640,201.56

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Solution

The fourth proportional to 3,016,765.20, 4,163,218.08 and 1,640,201.56 is: 2,263,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,765.20 : 4,163,218.08 = 1,640,201.56 : x
  2. Step 2: Convert to fraction form
    3,016,765.20/4,163,218.08 = 1,640,201.56/x
  3. Step 3: Cross multiply
    3,016,765.20x = 4,163,218.08 × 1,640,201.56
  4. Step 4: Simplify right side
    3,016,765.20x = 6,828,516,789,436.21
  5. Step 5: Solve for x
    x = 6,828,516,789,436.21/3,016,765.20
  6. Step 6: Final answer
    x = 2,263,522.79

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1.5x scale

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.