Home / 2,215,133.20-3,322,699.80-1,207,363.60

Finding the Fourth Proportional to 2,215,133.20, 3,322,699.80 and 1,207,363.60

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Solution

The fourth proportional to 2,215,133.20, 3,322,699.80 and 1,207,363.60 is: 1,811,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,133.20 : 3,322,699.80 = 1,207,363.60 : x
  2. Step 2: Convert to fraction form
    2,215,133.20/3,322,699.80 = 1,207,363.60/x
  3. Step 3: Cross multiply
    2,215,133.20x = 3,322,699.80 × 1,207,363.60
  4. Step 4: Simplify right side
    2,215,133.20x = 4,011,706,792,247.28
  5. Step 5: Solve for x
    x = 4,011,706,792,247.28/2,215,133.20
  6. Step 6: Final answer
    x = 1,811,045.40

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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.