Home / 5,384,421.40-8,065,745.70-3,356,440.60

Finding the Fourth Proportional to 5,384,421.40, 8,065,745.70 and 3,356,440.60

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Solution

The fourth proportional to 5,384,421.40, 8,065,745.70 and 3,356,440.60 is: 5,027,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,421.40 : 8,065,745.70 = 3,356,440.60 : x
  2. Step 2: Convert to fraction form
    5,384,421.40/8,065,745.70 = 3,356,440.60/x
  3. Step 3: Cross multiply
    5,384,421.40x = 8,065,745.70 × 3,356,440.60
  4. Step 4: Simplify right side
    5,384,421.40x = 27,072,196,336,755.42
  5. Step 5: Solve for x
    x = 27,072,196,336,755.42/5,384,421.40
  6. Step 6: Final answer
    x = 5,027,874.74

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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.