Home / 2,258,171.46-3,390,620.21-912,961.43

Finding the Fourth Proportional to 2,258,171.46, 3,390,620.21 and 912,961.43

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Solution

The fourth proportional to 2,258,171.46, 3,390,620.21 and 912,961.43 is: 1,370,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,171.46 : 3,390,620.21 = 912,961.43 : x
  2. Step 2: Convert to fraction form
    2,258,171.46/3,390,620.21 = 912,961.43/x
  3. Step 3: Cross multiply
    2,258,171.46x = 3,390,620.21 × 912,961.43
  4. Step 4: Simplify right side
    2,258,171.46x = 3,095,505,470,129.02
  5. Step 5: Solve for x
    x = 3,095,505,470,129.02/2,258,171.46
  6. Step 6: Final answer
    x = 1,370,801.79

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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.