Home / 4,270,911.20-6,404,811.60-2,140,287.20

Finding the Fourth Proportional to 4,270,911.20, 6,404,811.60 and 2,140,287.20

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Solution

The fourth proportional to 4,270,911.20, 6,404,811.60 and 2,140,287.20 is: 3,209,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270,911.20 : 6,404,811.60 = 2,140,287.20 : x
  2. Step 2: Convert to fraction form
    4,270,911.20/6,404,811.60 = 2,140,287.20/x
  3. Step 3: Cross multiply
    4,270,911.20x = 6,404,811.60 × 2,140,287.20
  4. Step 4: Simplify right side
    4,270,911.20x = 13,708,136,285,891.52
  5. Step 5: Solve for x
    x = 13,708,136,285,891.52/4,270,911.20
  6. Step 6: Final answer
    x = 3,209,651.44

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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.