Home / 6,781,150.84-10,171,805.22-1,988,935.72

Finding the Fourth Proportional to 6,781,150.84, 10,171,805.22 and 1,988,935.72

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Solution

The fourth proportional to 6,781,150.84, 10,171,805.22 and 1,988,935.72 is: 2,983,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,150.84 : 10,171,805.22 = 1,988,935.72 : x
  2. Step 2: Convert to fraction form
    6,781,150.84/10,171,805.22 = 1,988,935.72/x
  3. Step 3: Cross multiply
    6,781,150.84x = 10,171,805.22 × 1,988,935.72
  4. Step 4: Simplify right side
    6,781,150.84x = 20,231,066,738,940.46
  5. Step 5: Solve for x
    x = 20,231,066,738,940.46/6,781,150.84
  6. Step 6: Final answer
    x = 2,983,426.74

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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.