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Finding the Fourth Proportional to 3,092,784.22, 4,639,025.43 and 1,147,891.22

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Solution

The fourth proportional to 3,092,784.22, 4,639,025.43 and 1,147,891.22 is: 1,721,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092,784.22 : 4,639,025.43 = 1,147,891.22 : x
  2. Step 2: Convert to fraction form
    3,092,784.22/4,639,025.43 = 1,147,891.22/x
  3. Step 3: Cross multiply
    3,092,784.22x = 4,639,025.43 × 1,147,891.22
  4. Step 4: Simplify right side
    3,092,784.22x = 5,325,096,572,051.29
  5. Step 5: Solve for x
    x = 5,325,096,572,051.29/3,092,784.22
  6. Step 6: Final answer
    x = 1,721,780.83

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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.