Home / 2,156,135.50-3,231,008.19-875,184.31

Finding the Fourth Proportional to 2,156,135.50, 3,231,008.19 and 875,184.31

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Solution

The fourth proportional to 2,156,135.50, 3,231,008.19 and 875,184.31 is: 1,311,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,135.50 : 3,231,008.19 = 875,184.31 : x
  2. Step 2: Convert to fraction form
    2,156,135.50/3,231,008.19 = 875,184.31/x
  3. Step 3: Cross multiply
    2,156,135.50x = 3,231,008.19 × 875,184.31
  4. Step 4: Simplify right side
    2,156,135.50x = 2,827,727,673,369.50
  5. Step 5: Solve for x
    x = 2,827,727,673,369.50/2,156,135.50
  6. Step 6: Final answer
    x = 1,311,479.58

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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.