Home / 3,116,876.14-4,302,005.13-1,828,131.70

Finding the Fourth Proportional to 3,116,876.14, 4,302,005.13 and 1,828,131.70

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Solution

The fourth proportional to 3,116,876.14, 4,302,005.13 and 1,828,131.70 is: 2,523,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,876.14 : 4,302,005.13 = 1,828,131.70 : x
  2. Step 2: Convert to fraction form
    3,116,876.14/4,302,005.13 = 1,828,131.70/x
  3. Step 3: Cross multiply
    3,116,876.14x = 4,302,005.13 × 1,828,131.70
  4. Step 4: Simplify right side
    3,116,876.14x = 7,864,631,951,715.62
  5. Step 5: Solve for x
    x = 7,864,631,951,715.62/3,116,876.14
  6. Step 6: Final answer
    x = 2,523,241.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.