Home / 2,134,308.80-2,945,600.16-1,229,067.20

Finding the Fourth Proportional to 2,134,308.80, 2,945,600.16 and 1,229,067.20

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Solution

The fourth proportional to 2,134,308.80, 2,945,600.16 and 1,229,067.20 is: 1,696,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,308.80 : 2,945,600.16 = 1,229,067.20 : x
  2. Step 2: Convert to fraction form
    2,134,308.80/2,945,600.16 = 1,229,067.20/x
  3. Step 3: Cross multiply
    2,134,308.80x = 2,945,600.16 × 1,229,067.20
  4. Step 4: Simplify right side
    2,134,308.80x = 3,620,340,540,970.75
  5. Step 5: Solve for x
    x = 3,620,340,540,970.75/2,134,308.80
  6. Step 6: Final answer
    x = 1,696,259.01

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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.