Home / 2,811,852.78-3,880,358.94-1,522,694.58

Finding the Fourth Proportional to 2,811,852.78, 3,880,358.94 and 1,522,694.58

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Solution

The fourth proportional to 2,811,852.78, 3,880,358.94 and 1,522,694.58 is: 2,101,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,852.78 : 3,880,358.94 = 1,522,694.58 : x
  2. Step 2: Convert to fraction form
    2,811,852.78/3,880,358.94 = 1,522,694.58/x
  3. Step 3: Cross multiply
    2,811,852.78x = 3,880,358.94 × 1,522,694.58
  4. Step 4: Simplify right side
    2,811,852.78x = 5,908,601,526,392.55
  5. Step 5: Solve for x
    x = 5,908,601,526,392.55/2,811,852.78
  6. Step 6: Final answer
    x = 2,101,319.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.