Home / 2,133,911.71-3,200,064.19-694,218.50

Finding the Fourth Proportional to 2,133,911.71, 3,200,064.19 and 694,218.50

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Solution

The fourth proportional to 2,133,911.71, 3,200,064.19 and 694,218.50 is: 1,041,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,911.71 : 3,200,064.19 = 694,218.50 : x
  2. Step 2: Convert to fraction form
    2,133,911.71/3,200,064.19 = 694,218.50/x
  3. Step 3: Cross multiply
    2,133,911.71x = 3,200,064.19 × 694,218.50
  4. Step 4: Simplify right side
    2,133,911.71x = 2,221,543,758,102.38
  5. Step 5: Solve for x
    x = 2,221,543,758,102.38/2,133,911.71
  6. Step 6: Final answer
    x = 1,041,066.39

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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.