Home / 3,131,167.80-4,695,271.32-1,212,977.43

Finding the Fourth Proportional to 3,131,167.80, 4,695,271.32 and 1,212,977.43

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Solution

The fourth proportional to 3,131,167.80, 4,695,271.32 and 1,212,977.43 is: 1,818,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,167.80 : 4,695,271.32 = 1,212,977.43 : x
  2. Step 2: Convert to fraction form
    3,131,167.80/4,695,271.32 = 1,212,977.43/x
  3. Step 3: Cross multiply
    3,131,167.80x = 4,695,271.32 × 1,212,977.43
  4. Step 4: Simplify right side
    3,131,167.80x = 5,695,258,138,886.31
  5. Step 5: Solve for x
    x = 5,695,258,138,886.31/3,131,167.80
  6. Step 6: Final answer
    x = 1,818,892.66

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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.