Home / 2,078,198.78-3,117,474.94-730,244.98

Finding the Fourth Proportional to 2,078,198.78, 3,117,474.94 and 730,244.98

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Solution

The fourth proportional to 2,078,198.78, 3,117,474.94 and 730,244.98 is: 1,095,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,198.78 : 3,117,474.94 = 730,244.98 : x
  2. Step 2: Convert to fraction form
    2,078,198.78/3,117,474.94 = 730,244.98/x
  3. Step 3: Cross multiply
    2,078,198.78x = 3,117,474.94 × 730,244.98
  4. Step 4: Simplify right side
    2,078,198.78x = 2,276,520,425,210.80
  5. Step 5: Solve for x
    x = 2,276,520,425,210.80/2,078,198.78
  6. Step 6: Final answer
    x = 1,095,429.58

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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.