Home / 2,087,555.24-2,880,777.52-1,228,170.86

Finding the Fourth Proportional to 2,087,555.24, 2,880,777.52 and 1,228,170.86

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Solution

The fourth proportional to 2,087,555.24, 2,880,777.52 and 1,228,170.86 is: 1,694,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,555.24 : 2,880,777.52 = 1,228,170.86 : x
  2. Step 2: Convert to fraction form
    2,087,555.24/2,880,777.52 = 1,228,170.86/x
  3. Step 3: Cross multiply
    2,087,555.24x = 2,880,777.52 × 1,228,170.86
  4. Step 4: Simplify right side
    2,087,555.24x = 3,538,087,004,207.07
  5. Step 5: Solve for x
    x = 3,538,087,004,207.07/2,087,555.24
  6. Step 6: Final answer
    x = 1,694,847.13

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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.