Home / 2,678,719.60-3,696,660.75-1,455,048.96

Finding the Fourth Proportional to 2,678,719.60, 3,696,660.75 and 1,455,048.96

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Solution

The fourth proportional to 2,678,719.60, 3,696,660.75 and 1,455,048.96 is: 2,007,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,719.60 : 3,696,660.75 = 1,455,048.96 : x
  2. Step 2: Convert to fraction form
    2,678,719.60/3,696,660.75 = 1,455,048.96/x
  3. Step 3: Cross multiply
    2,678,719.60x = 3,696,660.75 × 1,455,048.96
  4. Step 4: Simplify right side
    2,678,719.60x = 5,378,822,379,760.32
  5. Step 5: Solve for x
    x = 5,378,822,379,760.32/2,678,719.60
  6. Step 6: Final answer
    x = 2,007,982.61

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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.