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Finding the Fourth Proportional to 3,153,699.97, 4,733,540.69 and 1,951,987.21

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Solution

The fourth proportional to 3,153,699.97, 4,733,540.69 and 1,951,987.21 is: 2,929,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,699.97 : 4,733,540.69 = 1,951,987.21 : x
  2. Step 2: Convert to fraction form
    3,153,699.97/4,733,540.69 = 1,951,987.21/x
  3. Step 3: Cross multiply
    3,153,699.97x = 4,733,540.69 × 1,951,987.21
  4. Step 4: Simplify right side
    3,153,699.97x = 9,239,810,884,894.58
  5. Step 5: Solve for x
    x = 9,239,810,884,894.58/3,153,699.97
  6. Step 6: Final answer
    x = 2,929,831.93

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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.