Home / 3,929,931.20-5,894,896.24-1,090,043.32

Finding the Fourth Proportional to 3,929,931.20, 5,894,896.24 and 1,090,043.32

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Solution

The fourth proportional to 3,929,931.20, 5,894,896.24 and 1,090,043.32 is: 1,635,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,931.20 : 5,894,896.24 = 1,090,043.32 : x
  2. Step 2: Convert to fraction form
    3,929,931.20/5,894,896.24 = 1,090,043.32/x
  3. Step 3: Cross multiply
    3,929,931.20x = 5,894,896.24 × 1,090,043.32
  4. Step 4: Simplify right side
    3,929,931.20x = 6,425,692,268,505.12
  5. Step 5: Solve for x
    x = 6,425,692,268,505.12/3,929,931.20
  6. Step 6: Final answer
    x = 1,635,064.82

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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.