Home / 2,278,512.87-3,416,489.91-761,396.45

Finding the Fourth Proportional to 2,278,512.87, 3,416,489.91 and 761,396.45

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Solution

The fourth proportional to 2,278,512.87, 3,416,489.91 and 761,396.45 is: 1,141,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,512.87 : 3,416,489.91 = 761,396.45 : x
  2. Step 2: Convert to fraction form
    2,278,512.87/3,416,489.91 = 761,396.45/x
  3. Step 3: Cross multiply
    2,278,512.87x = 3,416,489.91 × 761,396.45
  4. Step 4: Simplify right side
    2,278,512.87x = 2,601,303,271,852.37
  5. Step 5: Solve for x
    x = 2,601,303,271,852.37/2,278,512.87
  6. Step 6: Final answer
    x = 1,141,667.14

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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.