Home / 3,778,781.76-5,667,588.24-1,382,065.88

Finding the Fourth Proportional to 3,778,781.76, 5,667,588.24 and 1,382,065.88

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Solution

The fourth proportional to 3,778,781.76, 5,667,588.24 and 1,382,065.88 is: 2,072,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,781.76 : 5,667,588.24 = 1,382,065.88 : x
  2. Step 2: Convert to fraction form
    3,778,781.76/5,667,588.24 = 1,382,065.88/x
  3. Step 3: Cross multiply
    3,778,781.76x = 5,667,588.24 × 1,382,065.88
  4. Step 4: Simplify right side
    3,778,781.76x = 7,832,980,328,393.25
  5. Step 5: Solve for x
    x = 7,832,980,328,393.25/3,778,781.76
  6. Step 6: Final answer
    x = 2,072,885.08

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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.