Home / 2,271,489.83-3,134,665.74-1,239,019.77

Finding the Fourth Proportional to 2,271,489.83, 3,134,665.74 and 1,239,019.77

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Solution

The fourth proportional to 2,271,489.83, 3,134,665.74 and 1,239,019.77 is: 1,709,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,489.83 : 3,134,665.74 = 1,239,019.77 : x
  2. Step 2: Convert to fraction form
    2,271,489.83/3,134,665.74 = 1,239,019.77/x
  3. Step 3: Cross multiply
    2,271,489.83x = 3,134,665.74 × 1,239,019.77
  4. Step 4: Simplify right side
    2,271,489.83x = 3,883,912,824,201.68
  5. Step 5: Solve for x
    x = 3,883,912,824,201.68/2,271,489.83
  6. Step 6: Final answer
    x = 1,709,852.62

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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.