Home / 2,515,069.48-3,471,274.02-1,427,442.88

Finding the Fourth Proportional to 2,515,069.48, 3,471,274.02 and 1,427,442.88

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Solution

The fourth proportional to 2,515,069.48, 3,471,274.02 and 1,427,442.88 is: 1,970,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,069.48 : 3,471,274.02 = 1,427,442.88 : x
  2. Step 2: Convert to fraction form
    2,515,069.48/3,471,274.02 = 1,427,442.88/x
  3. Step 3: Cross multiply
    2,515,069.48x = 3,471,274.02 × 1,427,442.88
  4. Step 4: Simplify right side
    2,515,069.48x = 4,955,045,384,377.98
  5. Step 5: Solve for x
    x = 4,955,045,384,377.98/2,515,069.48
  6. Step 6: Final answer
    x = 1,970,142.54

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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.