Home / 2,521,081.70-3,781,968.15-838,009.70

Finding the Fourth Proportional to 2,521,081.70, 3,781,968.15 and 838,009.70

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Solution

The fourth proportional to 2,521,081.70, 3,781,968.15 and 838,009.70 is: 1,257,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,081.70 : 3,781,968.15 = 838,009.70 : x
  2. Step 2: Convert to fraction form
    2,521,081.70/3,781,968.15 = 838,009.70/x
  3. Step 3: Cross multiply
    2,521,081.70x = 3,781,968.15 × 838,009.70
  4. Step 4: Simplify right side
    2,521,081.70x = 3,169,325,994,791.06
  5. Step 5: Solve for x
    x = 3,169,325,994,791.06/2,521,081.70
  6. Step 6: Final answer
    x = 1,257,129.43

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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.