Home / 2,162,181.96-2,983,895.28-1,435,777.20

Finding the Fourth Proportional to 2,162,181.96, 2,983,895.28 and 1,435,777.20

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Solution

The fourth proportional to 2,162,181.96, 2,983,895.28 and 1,435,777.20 is: 1,981,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,181.96 : 2,983,895.28 = 1,435,777.20 : x
  2. Step 2: Convert to fraction form
    2,162,181.96/2,983,895.28 = 1,435,777.20/x
  3. Step 3: Cross multiply
    2,162,181.96x = 2,983,895.28 × 1,435,777.20
  4. Step 4: Simplify right side
    2,162,181.96x = 4,284,208,810,211.62
  5. Step 5: Solve for x
    x = 4,284,208,810,211.62/2,162,181.96
  6. Step 6: Final answer
    x = 1,981,428.43

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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.