Home / 3,108,406.28-4,662,871.80-864,544.28

Finding the Fourth Proportional to 3,108,406.28, 4,662,871.80 and 864,544.28

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Solution

The fourth proportional to 3,108,406.28, 4,662,871.80 and 864,544.28 is: 1,296,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,406.28 : 4,662,871.80 = 864,544.28 : x
  2. Step 2: Convert to fraction form
    3,108,406.28/4,662,871.80 = 864,544.28/x
  3. Step 3: Cross multiply
    3,108,406.28x = 4,662,871.80 × 864,544.28
  4. Step 4: Simplify right side
    3,108,406.28x = 4,031,259,143,063.30
  5. Step 5: Solve for x
    x = 4,031,259,143,063.30/3,108,406.28
  6. Step 6: Final answer
    x = 1,296,889.40

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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.