Home / 3,169,987.67-4,374,583.01-1,811,889.83

Finding the Fourth Proportional to 3,169,987.67, 4,374,583.01 and 1,811,889.83

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Solution

The fourth proportional to 3,169,987.67, 4,374,583.01 and 1,811,889.83 is: 2,500,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,987.67 : 4,374,583.01 = 1,811,889.83 : x
  2. Step 2: Convert to fraction form
    3,169,987.67/4,374,583.01 = 1,811,889.83/x
  3. Step 3: Cross multiply
    3,169,987.67x = 4,374,583.01 × 1,811,889.83
  4. Step 4: Simplify right side
    3,169,987.67x = 7,926,262,435,377.42
  5. Step 5: Solve for x
    x = 7,926,262,435,377.42/3,169,987.67
  6. Step 6: Final answer
    x = 2,500,407.97

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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.