Home / 1,515,056.89-2,272,587.91-1,213,369.81

Finding the Fourth Proportional to 1,515,056.89, 2,272,587.91 and 1,213,369.81

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Solution

The fourth proportional to 1,515,056.89, 2,272,587.91 and 1,213,369.81 is: 1,820,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,056.89 : 2,272,587.91 = 1,213,369.81 : x
  2. Step 2: Convert to fraction form
    1,515,056.89/2,272,587.91 = 1,213,369.81/x
  3. Step 3: Cross multiply
    1,515,056.89x = 2,272,587.91 × 1,213,369.81
  4. Step 4: Simplify right side
    1,515,056.89x = 2,757,489,560,565.00
  5. Step 5: Solve for x
    x = 2,757,489,560,565.00/1,515,056.89
  6. Step 6: Final answer
    x = 1,820,056.78

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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.