Home / 2,213,137.40-3,314,384.18-1,263,630.20

Finding the Fourth Proportional to 2,213,137.40, 3,314,384.18 and 1,263,630.20

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Solution

The fourth proportional to 2,213,137.40, 3,314,384.18 and 1,263,630.20 is: 1,892,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,137.40 : 3,314,384.18 = 1,263,630.20 : x
  2. Step 2: Convert to fraction form
    2,213,137.40/3,314,384.18 = 1,263,630.20/x
  3. Step 3: Cross multiply
    2,213,137.40x = 3,314,384.18 × 1,263,630.20
  4. Step 4: Simplify right side
    2,213,137.40x = 4,188,155,944,250.24
  5. Step 5: Solve for x
    x = 4,188,155,944,250.24/2,213,137.40
  6. Step 6: Final answer
    x = 1,892,406.66

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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.