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Finding the Fourth Proportional to 3,503,967.86, 4,835,339.85 and 1,955,149.04

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Solution

The fourth proportional to 3,503,967.86, 4,835,339.85 and 1,955,149.04 is: 2,698,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,967.86 : 4,835,339.85 = 1,955,149.04 : x
  2. Step 2: Convert to fraction form
    3,503,967.86/4,835,339.85 = 1,955,149.04/x
  3. Step 3: Cross multiply
    3,503,967.86x = 4,835,339.85 × 1,955,149.04
  4. Step 4: Simplify right side
    3,503,967.86x = 9,453,810,085,221.40
  5. Step 5: Solve for x
    x = 9,453,810,085,221.40/3,503,967.86
  6. Step 6: Final answer
    x = 2,698,029.91

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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.