Home / 3,929,987.28-5,894,980.92-1,090,099.43

Finding the Fourth Proportional to 3,929,987.28, 5,894,980.92 and 1,090,099.43

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Solution

The fourth proportional to 3,929,987.28, 5,894,980.92 and 1,090,099.43 is: 1,635,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,987.28 : 5,894,980.92 = 1,090,099.43 : x
  2. Step 2: Convert to fraction form
    3,929,987.28/5,894,980.92 = 1,090,099.43/x
  3. Step 3: Cross multiply
    3,929,987.28x = 5,894,980.92 × 1,090,099.43
  4. Step 4: Simplify right side
    3,929,987.28x = 6,426,115,355,490.33
  5. Step 5: Solve for x
    x = 6,426,115,355,490.33/3,929,987.28
  6. Step 6: Final answer
    x = 1,635,149.15

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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.