Home / 3,121,705.76-4,308,673.42-2,032,079.18

Finding the Fourth Proportional to 3,121,705.76, 4,308,673.42 and 2,032,079.18

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Solution

The fourth proportional to 3,121,705.76, 4,308,673.42 and 2,032,079.18 is: 2,804,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,705.76 : 4,308,673.42 = 2,032,079.18 : x
  2. Step 2: Convert to fraction form
    3,121,705.76/4,308,673.42 = 2,032,079.18/x
  3. Step 3: Cross multiply
    3,121,705.76x = 4,308,673.42 × 2,032,079.18
  4. Step 4: Simplify right side
    3,121,705.76x = 8,755,565,550,201.40
  5. Step 5: Solve for x
    x = 8,755,565,550,201.40/3,121,705.76
  6. Step 6: Final answer
    x = 2,804,737.61

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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.