Home / 3,385,827.68-5,078,216.64-989,029.04

Finding the Fourth Proportional to 3,385,827.68, 5,078,216.64 and 989,029.04

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Solution

The fourth proportional to 3,385,827.68, 5,078,216.64 and 989,029.04 is: 1,483,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385,827.68 : 5,078,216.64 = 989,029.04 : x
  2. Step 2: Convert to fraction form
    3,385,827.68/5,078,216.64 = 989,029.04/x
  3. Step 3: Cross multiply
    3,385,827.68x = 5,078,216.64 × 989,029.04
  4. Step 4: Simplify right side
    3,385,827.68x = 5,022,503,728,371.23
  5. Step 5: Solve for x
    x = 5,022,503,728,371.23/3,385,827.68
  6. Step 6: Final answer
    x = 1,483,390.24

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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.