Home / 1,691,154.94-2,333,889.18-1,003,234.09

Finding the Fourth Proportional to 1,691,154.94, 2,333,889.18 and 1,003,234.09

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Solution

The fourth proportional to 1,691,154.94, 2,333,889.18 and 1,003,234.09 is: 1,384,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,154.94 : 2,333,889.18 = 1,003,234.09 : x
  2. Step 2: Convert to fraction form
    1,691,154.94/2,333,889.18 = 1,003,234.09/x
  3. Step 3: Cross multiply
    1,691,154.94x = 2,333,889.18 × 1,003,234.09
  4. Step 4: Simplify right side
    1,691,154.94x = 2,341,437,175,988.70
  5. Step 5: Solve for x
    x = 2,341,437,175,988.70/1,691,154.94
  6. Step 6: Final answer
    x = 1,384,519.61

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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.