Home / 2,414,123.40-3,621,185.10-1,275,328.20

Finding the Fourth Proportional to 2,414,123.40, 3,621,185.10 and 1,275,328.20

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Solution

The fourth proportional to 2,414,123.40, 3,621,185.10 and 1,275,328.20 is: 1,912,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414,123.40 : 3,621,185.10 = 1,275,328.20 : x
  2. Step 2: Convert to fraction form
    2,414,123.40/3,621,185.10 = 1,275,328.20/x
  3. Step 3: Cross multiply
    2,414,123.40x = 3,621,185.10 × 1,275,328.20
  4. Step 4: Simplify right side
    2,414,123.40x = 4,618,199,475,449.82
  5. Step 5: Solve for x
    x = 4,618,199,475,449.82/2,414,123.40
  6. Step 6: Final answer
    x = 1,912,992.30

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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.