Home / 5,638,416.12-7,781,019.60-3,060,097.73

Finding the Fourth Proportional to 5,638,416.12, 7,781,019.60 and 3,060,097.73

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Solution

The fourth proportional to 5,638,416.12, 7,781,019.60 and 3,060,097.73 is: 4,222,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,416.12 : 7,781,019.60 = 3,060,097.73 : x
  2. Step 2: Convert to fraction form
    5,638,416.12/7,781,019.60 = 3,060,097.73/x
  3. Step 3: Cross multiply
    5,638,416.12x = 7,781,019.60 × 3,060,097.73
  4. Step 4: Simplify right side
    5,638,416.12x = 23,810,680,376,140.41
  5. Step 5: Solve for x
    x = 23,810,680,376,140.41/5,638,416.12
  6. Step 6: Final answer
    x = 4,222,937.77

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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.