Home / 1,878,971.22-2,819,873.77-1,374,832.87

Finding the Fourth Proportional to 1,878,971.22, 2,819,873.77 and 1,374,832.87

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Solution

The fourth proportional to 1,878,971.22, 2,819,873.77 and 1,374,832.87 is: 2,063,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,971.22 : 2,819,873.77 = 1,374,832.87 : x
  2. Step 2: Convert to fraction form
    1,878,971.22/2,819,873.77 = 1,374,832.87/x
  3. Step 3: Cross multiply
    1,878,971.22x = 2,819,873.77 × 1,374,832.87
  4. Step 4: Simplify right side
    1,878,971.22x = 3,876,855,137,760.05
  5. Step 5: Solve for x
    x = 3,876,855,137,760.05/1,878,971.22
  6. Step 6: Final answer
    x = 2,063,286.07

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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.