Home / 3,042,781.20-4,199,319.75-1,684,654.20

Finding the Fourth Proportional to 3,042,781.20, 4,199,319.75 and 1,684,654.20

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Solution

The fourth proportional to 3,042,781.20, 4,199,319.75 and 1,684,654.20 is: 2,324,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,781.20 : 4,199,319.75 = 1,684,654.20 : x
  2. Step 2: Convert to fraction form
    3,042,781.20/4,199,319.75 = 1,684,654.20/x
  3. Step 3: Cross multiply
    3,042,781.20x = 4,199,319.75 × 1,684,654.20
  4. Step 4: Simplify right side
    3,042,781.20x = 7,074,401,653,980.45
  5. Step 5: Solve for x
    x = 7,074,401,653,980.45/3,042,781.20
  6. Step 6: Final answer
    x = 2,324,978.76

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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.