Home / 3,259,969.20-4,889,953.80-864,183.60

Finding the Fourth Proportional to 3,259,969.20, 4,889,953.80 and 864,183.60

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Solution

The fourth proportional to 3,259,969.20, 4,889,953.80 and 864,183.60 is: 1,296,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,969.20 : 4,889,953.80 = 864,183.60 : x
  2. Step 2: Convert to fraction form
    3,259,969.20/4,889,953.80 = 864,183.60/x
  3. Step 3: Cross multiply
    3,259,969.20x = 4,889,953.80 × 864,183.60
  4. Step 4: Simplify right side
    3,259,969.20x = 4,225,817,878,717.68
  5. Step 5: Solve for x
    x = 4,225,817,878,717.68/3,259,969.20
  6. Step 6: Final answer
    x = 1,296,275.40

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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.