Home / 2,870,081.44-3,960,712.40-1,580,917.84

Finding the Fourth Proportional to 2,870,081.44, 3,960,712.40 and 1,580,917.84

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Solution

The fourth proportional to 2,870,081.44, 3,960,712.40 and 1,580,917.84 is: 2,181,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,081.44 : 3,960,712.40 = 1,580,917.84 : x
  2. Step 2: Convert to fraction form
    2,870,081.44/3,960,712.40 = 1,580,917.84/x
  3. Step 3: Cross multiply
    2,870,081.44x = 3,960,712.40 × 1,580,917.84
  4. Step 4: Simplify right side
    2,870,081.44x = 6,261,560,874,462.85
  5. Step 5: Solve for x
    x = 6,261,560,874,462.85/2,870,081.44
  6. Step 6: Final answer
    x = 2,181,666.62

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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.