Home / 3,421,993.80-5,132,990.70-897,904.20

Finding the Fourth Proportional to 3,421,993.80, 5,132,990.70 and 897,904.20

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Solution

The fourth proportional to 3,421,993.80, 5,132,990.70 and 897,904.20 is: 1,346,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,993.80 : 5,132,990.70 = 897,904.20 : x
  2. Step 2: Convert to fraction form
    3,421,993.80/5,132,990.70 = 897,904.20/x
  3. Step 3: Cross multiply
    3,421,993.80x = 5,132,990.70 × 897,904.20
  4. Step 4: Simplify right side
    3,421,993.80x = 4,608,933,908,090.94
  5. Step 5: Solve for x
    x = 4,608,933,908,090.94/3,421,993.80
  6. Step 6: Final answer
    x = 1,346,856.30

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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.