Home / 2,530,140.30-3,491,632.98-1,384,239.78

Finding the Fourth Proportional to 2,530,140.30, 3,491,632.98 and 1,384,239.78

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Solution

The fourth proportional to 2,530,140.30, 3,491,632.98 and 1,384,239.78 is: 1,910,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530,140.30 : 3,491,632.98 = 1,384,239.78 : x
  2. Step 2: Convert to fraction form
    2,530,140.30/3,491,632.98 = 1,384,239.78/x
  3. Step 3: Cross multiply
    2,530,140.30x = 3,491,632.98 × 1,384,239.78
  4. Step 4: Simplify right side
    2,530,140.30x = 4,833,257,268,075.94
  5. Step 5: Solve for x
    x = 4,833,257,268,075.94/2,530,140.30
  6. Step 6: Final answer
    x = 1,910,272.43

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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.