Home / 2,786,147.28-3,846,518.28-2,140,298.64

Finding the Fourth Proportional to 2,786,147.28, 3,846,518.28 and 2,140,298.64

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Solution

The fourth proportional to 2,786,147.28, 3,846,518.28 and 2,140,298.64 is: 2,954,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,147.28 : 3,846,518.28 = 2,140,298.64 : x
  2. Step 2: Convert to fraction form
    2,786,147.28/3,846,518.28 = 2,140,298.64/x
  3. Step 3: Cross multiply
    2,786,147.28x = 3,846,518.28 × 2,140,298.64
  4. Step 4: Simplify right side
    2,786,147.28x = 8,232,697,843,419.14
  5. Step 5: Solve for x
    x = 8,232,697,843,419.14/2,786,147.28
  6. Step 6: Final answer
    x = 2,954,868.14

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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.