Home / 2,315,405.88-3,193,503.03-2,028,427.74

Finding the Fourth Proportional to 2,315,405.88, 3,193,503.03 and 2,028,427.74

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Solution

The fourth proportional to 2,315,405.88, 3,193,503.03 and 2,028,427.74 is: 2,797,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,405.88 : 3,193,503.03 = 2,028,427.74 : x
  2. Step 2: Convert to fraction form
    2,315,405.88/3,193,503.03 = 2,028,427.74/x
  3. Step 3: Cross multiply
    2,315,405.88x = 3,193,503.03 × 2,028,427.74
  4. Step 4: Simplify right side
    2,315,405.88x = 6,477,790,133,826.05
  5. Step 5: Solve for x
    x = 6,477,790,133,826.05/2,315,405.88
  6. Step 6: Final answer
    x = 2,797,690.97

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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.