Home / 2,213,140.40-3,314,388.68-1,263,633.20

Finding the Fourth Proportional to 2,213,140.40, 3,314,388.68 and 1,263,633.20

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Solution

The fourth proportional to 2,213,140.40, 3,314,388.68 and 1,263,633.20 is: 1,892,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,140.40 : 3,314,388.68 = 1,263,633.20 : x
  2. Step 2: Convert to fraction form
    2,213,140.40/3,314,388.68 = 1,263,633.20/x
  3. Step 3: Cross multiply
    2,213,140.40x = 3,314,388.68 × 1,263,633.20
  4. Step 4: Simplify right side
    2,213,140.40x = 4,188,171,573,752.18
  5. Step 5: Solve for x
    x = 4,188,171,573,752.18/2,213,140.40
  6. Step 6: Final answer
    x = 1,892,411.15

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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.