Home / 7,259,659.72-10,889,415.77-1,868,289.19

Finding the Fourth Proportional to 7,259,659.72, 10,889,415.77 and 1,868,289.19

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Solution

The fourth proportional to 7,259,659.72, 10,889,415.77 and 1,868,289.19 is: 2,802,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259,659.72 : 10,889,415.77 = 1,868,289.19 : x
  2. Step 2: Convert to fraction form
    7,259,659.72/10,889,415.77 = 1,868,289.19/x
  3. Step 3: Cross multiply
    7,259,659.72x = 10,889,415.77 × 1,868,289.19
  4. Step 4: Simplify right side
    7,259,659.72x = 20,344,577,772,776.85
  5. Step 5: Solve for x
    x = 20,344,577,772,776.85/7,259,659.72
  6. Step 6: Final answer
    x = 2,802,414.79

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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.