Home / 2,140,904.40-3,211,502.40-681,835.20

Finding the Fourth Proportional to 2,140,904.40, 3,211,502.40 and 681,835.20

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Solution

The fourth proportional to 2,140,904.40, 3,211,502.40 and 681,835.20 is: 1,022,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,904.40 : 3,211,502.40 = 681,835.20 : x
  2. Step 2: Convert to fraction form
    2,140,904.40/3,211,502.40 = 681,835.20/x
  3. Step 3: Cross multiply
    2,140,904.40x = 3,211,502.40 × 681,835.20
  4. Step 4: Simplify right side
    2,140,904.40x = 2,189,715,381,204.48
  5. Step 5: Solve for x
    x = 2,189,715,381,204.48/2,140,904.40
  6. Step 6: Final answer
    x = 1,022,799.23

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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.