Home / 2,678,138.34-3,696,961.88-1,808,151.57

Finding the Fourth Proportional to 2,678,138.34, 3,696,961.88 and 1,808,151.57

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Solution

The fourth proportional to 2,678,138.34, 3,696,961.88 and 1,808,151.57 is: 2,496,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,138.34 : 3,696,961.88 = 1,808,151.57 : x
  2. Step 2: Convert to fraction form
    2,678,138.34/3,696,961.88 = 1,808,151.57/x
  3. Step 3: Cross multiply
    2,678,138.34x = 3,696,961.88 × 1,808,151.57
  4. Step 4: Simplify right side
    2,678,138.34x = 6,684,667,400,026.58
  5. Step 5: Solve for x
    x = 6,684,667,400,026.58/2,678,138.34
  6. Step 6: Final answer
    x = 2,496,012.73

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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.