Home / 2,721,843-4,083,354.54-828,534.96

Finding the Fourth Proportional to 2,721,843, 4,083,354.54 and 828,534.96

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Solution

The fourth proportional to 2,721,843, 4,083,354.54 and 828,534.96 is: 1,242,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,843 : 4,083,354.54 = 828,534.96 : x
  2. Step 2: Convert to fraction form
    2,721,843/4,083,354.54 = 828,534.96/x
  3. Step 3: Cross multiply
    2,721,843x = 4,083,354.54 × 828,534.96
  4. Step 4: Simplify right side
    2,721,843x = 3,383,201,990,464.72
  5. Step 5: Solve for x
    x = 3,383,201,990,464.72/2,721,843
  6. Step 6: Final answer
    x = 1,242,982.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.