Home / 3,693,456.81-5,099,090.67-2,815,398.18

Finding the Fourth Proportional to 3,693,456.81, 5,099,090.67 and 2,815,398.18

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Solution

The fourth proportional to 3,693,456.81, 5,099,090.67 and 2,815,398.18 is: 3,886,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693,456.81 : 5,099,090.67 = 2,815,398.18 : x
  2. Step 2: Convert to fraction form
    3,693,456.81/5,099,090.67 = 2,815,398.18/x
  3. Step 3: Cross multiply
    3,693,456.81x = 5,099,090.67 × 2,815,398.18
  4. Step 4: Simplify right side
    3,693,456.81x = 14,355,970,591,972.98
  5. Step 5: Solve for x
    x = 14,355,970,591,972.98/3,693,456.81
  6. Step 6: Final answer
    x = 3,886,865.70

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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.