Home / 3,619,363.81-5,429,042.62-923,688.81

Finding the Fourth Proportional to 3,619,363.81, 5,429,042.62 and 923,688.81

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Solution

The fourth proportional to 3,619,363.81, 5,429,042.62 and 923,688.81 is: 1,385,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,363.81 : 5,429,042.62 = 923,688.81 : x
  2. Step 2: Convert to fraction form
    3,619,363.81/5,429,042.62 = 923,688.81/x
  3. Step 3: Cross multiply
    3,619,363.81x = 5,429,042.62 × 923,688.81
  4. Step 4: Simplify right side
    3,619,363.81x = 5,014,745,917,107.08
  5. Step 5: Solve for x
    x = 5,014,745,917,107.08/3,619,363.81
  6. Step 6: Final answer
    x = 1,385,532.43

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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.