Home / 2,855,490.20-3,940,576.48-1,566,333.67

Finding the Fourth Proportional to 2,855,490.20, 3,940,576.48 and 1,566,333.67

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Solution

The fourth proportional to 2,855,490.20, 3,940,576.48 and 1,566,333.67 is: 2,161,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,490.20 : 3,940,576.48 = 1,566,333.67 : x
  2. Step 2: Convert to fraction form
    2,855,490.20/3,940,576.48 = 1,566,333.67/x
  3. Step 3: Cross multiply
    2,855,490.20x = 3,940,576.48 × 1,566,333.67
  4. Step 4: Simplify right side
    2,855,490.20x = 6,172,257,619,834.08
  5. Step 5: Solve for x
    x = 6,172,257,619,834.08/2,855,490.20
  6. Step 6: Final answer
    x = 2,161,540.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.