Home / 3,892,386.40-5,838,579.60-2,822,408.80

Finding the Fourth Proportional to 3,892,386.40, 5,838,579.60 and 2,822,408.80

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Solution

The fourth proportional to 3,892,386.40, 5,838,579.60 and 2,822,408.80 is: 4,233,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,386.40 : 5,838,579.60 = 2,822,408.80 : x
  2. Step 2: Convert to fraction form
    3,892,386.40/5,838,579.60 = 2,822,408.80/x
  3. Step 3: Cross multiply
    3,892,386.40x = 5,838,579.60 × 2,822,408.80
  4. Step 4: Simplify right side
    3,892,386.40x = 16,478,858,442,540.48
  5. Step 5: Solve for x
    x = 16,478,858,442,540.48/3,892,386.40
  6. Step 6: Final answer
    x = 4,233,613.20

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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.