Home / 5,176,165.20-7,764,247.80-1,810,021.20

Finding the Fourth Proportional to 5,176,165.20, 7,764,247.80 and 1,810,021.20

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Solution

The fourth proportional to 5,176,165.20, 7,764,247.80 and 1,810,021.20 is: 2,715,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,165.20 : 7,764,247.80 = 1,810,021.20 : x
  2. Step 2: Convert to fraction form
    5,176,165.20/7,764,247.80 = 1,810,021.20/x
  3. Step 3: Cross multiply
    5,176,165.20x = 7,764,247.80 × 1,810,021.20
  4. Step 4: Simplify right side
    5,176,165.20x = 14,053,453,120,053.36
  5. Step 5: Solve for x
    x = 14,053,453,120,053.36/5,176,165.20
  6. Step 6: Final answer
    x = 2,715,031.80

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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.