Home / 2,500,870.92-3,748,228.56-1,422,288.60

Finding the Fourth Proportional to 2,500,870.92, 3,748,228.56 and 1,422,288.60

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Solution

The fourth proportional to 2,500,870.92, 3,748,228.56 and 1,422,288.60 is: 2,131,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,870.92 : 3,748,228.56 = 1,422,288.60 : x
  2. Step 2: Convert to fraction form
    2,500,870.92/3,748,228.56 = 1,422,288.60/x
  3. Step 3: Cross multiply
    2,500,870.92x = 3,748,228.56 × 1,422,288.60
  4. Step 4: Simplify right side
    2,500,870.92x = 5,331,062,751,082.42
  5. Step 5: Solve for x
    x = 5,331,062,751,082.42/2,500,870.92
  6. Step 6: Final answer
    x = 2,131,682.49

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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.