Home / 2,810,481.76-3,878,467.14-1,521,318.16

Finding the Fourth Proportional to 2,810,481.76, 3,878,467.14 and 1,521,318.16

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Solution

The fourth proportional to 2,810,481.76, 3,878,467.14 and 1,521,318.16 is: 2,099,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,481.76 : 3,878,467.14 = 1,521,318.16 : x
  2. Step 2: Convert to fraction form
    2,810,481.76/3,878,467.14 = 1,521,318.16/x
  3. Step 3: Cross multiply
    2,810,481.76x = 3,878,467.14 × 1,521,318.16
  4. Step 4: Simplify right side
    2,810,481.76x = 5,900,382,493,045.26
  5. Step 5: Solve for x
    x = 5,900,382,493,045.26/2,810,481.76
  6. Step 6: Final answer
    x = 2,099,420.31

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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.