Home / 5,378,695.20-8,068,042.80-2,012,464.80

Finding the Fourth Proportional to 5,378,695.20, 8,068,042.80 and 2,012,464.80

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Solution

The fourth proportional to 5,378,695.20, 8,068,042.80 and 2,012,464.80 is: 3,018,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,695.20 : 8,068,042.80 = 2,012,464.80 : x
  2. Step 2: Convert to fraction form
    5,378,695.20/8,068,042.80 = 2,012,464.80/x
  3. Step 3: Cross multiply
    5,378,695.20x = 8,068,042.80 × 2,012,464.80
  4. Step 4: Simplify right side
    5,378,695.20x = 16,236,652,139,893.44
  5. Step 5: Solve for x
    x = 16,236,652,139,893.44/5,378,695.20
  6. Step 6: Final answer
    x = 3,018,697.20

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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.