Home / 2,133,913.72-3,200,067.18-694,220.50

Finding the Fourth Proportional to 2,133,913.72, 3,200,067.18 and 694,220.50

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Solution

The fourth proportional to 2,133,913.72, 3,200,067.18 and 694,220.50 is: 1,041,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,913.72 : 3,200,067.18 = 694,220.50 : x
  2. Step 2: Convert to fraction form
    2,133,913.72/3,200,067.18 = 694,220.50/x
  3. Step 3: Cross multiply
    2,133,913.72x = 3,200,067.18 × 694,220.50
  4. Step 4: Simplify right side
    2,133,913.72x = 2,221,552,237,733.19
  5. Step 5: Solve for x
    x = 2,221,552,237,733.19/2,133,913.72
  6. Step 6: Final answer
    x = 1,041,069.38

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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.