Home / 6,904,489.71-10,356,358.83-2,112,178.98

Finding the Fourth Proportional to 6,904,489.71, 10,356,358.83 and 2,112,178.98

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Solution

The fourth proportional to 6,904,489.71, 10,356,358.83 and 2,112,178.98 is: 3,168,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904,489.71 : 10,356,358.83 = 2,112,178.98 : x
  2. Step 2: Convert to fraction form
    6,904,489.71/10,356,358.83 = 2,112,178.98/x
  3. Step 3: Cross multiply
    6,904,489.71x = 10,356,358.83 × 2,112,178.98
  4. Step 4: Simplify right side
    6,904,489.71x = 21,874,483,430,063.39
  5. Step 5: Solve for x
    x = 21,874,483,430,063.39/6,904,489.71
  6. Step 6: Final answer
    x = 3,168,153.53

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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.