Home / 6,400,263.20-9,601,590.40-2,140,453.76

Finding the Fourth Proportional to 6,400,263.20, 9,601,590.40 and 2,140,453.76

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Solution

The fourth proportional to 6,400,263.20, 9,601,590.40 and 2,140,453.76 is: 3,211,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,263.20 : 9,601,590.40 = 2,140,453.76 : x
  2. Step 2: Convert to fraction form
    6,400,263.20/9,601,590.40 = 2,140,453.76/x
  3. Step 3: Cross multiply
    6,400,263.20x = 9,601,590.40 × 2,140,453.76
  4. Step 4: Simplify right side
    6,400,263.20x = 20,551,760,273,659.90
  5. Step 5: Solve for x
    x = 20,551,760,273,659.90/6,400,263.20
  6. Step 6: Final answer
    x = 3,211,080.49

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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.