Home / 2,638,654.20-3,957,981.30-841,669.20

Finding the Fourth Proportional to 2,638,654.20, 3,957,981.30 and 841,669.20

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Solution

The fourth proportional to 2,638,654.20, 3,957,981.30 and 841,669.20 is: 1,262,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,654.20 : 3,957,981.30 = 841,669.20 : x
  2. Step 2: Convert to fraction form
    2,638,654.20/3,957,981.30 = 841,669.20/x
  3. Step 3: Cross multiply
    2,638,654.20x = 3,957,981.30 × 841,669.20
  4. Step 4: Simplify right side
    2,638,654.20x = 3,331,310,954,385.96
  5. Step 5: Solve for x
    x = 3,331,310,954,385.96/2,638,654.20
  6. Step 6: Final answer
    x = 1,262,503.80

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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.