Home / 2,208,399-3,313,376.10-1,087,255.32

Finding the Fourth Proportional to 2,208,399, 3,313,376.10 and 1,087,255.32

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Solution

The fourth proportional to 2,208,399, 3,313,376.10 and 1,087,255.32 is: 1,631,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,399 : 3,313,376.10 = 1,087,255.32 : x
  2. Step 2: Convert to fraction form
    2,208,399/3,313,376.10 = 1,087,255.32/x
  3. Step 3: Cross multiply
    2,208,399x = 3,313,376.10 × 1,087,255.32
  4. Step 4: Simplify right side
    2,208,399x = 3,602,485,791,885.85
  5. Step 5: Solve for x
    x = 3,602,485,791,885.85/2,208,399
  6. Step 6: Final answer
    x = 1,631,265.81

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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.