Home / 1,992,812.96-2,750,148.24-1,087,444.64

Finding the Fourth Proportional to 1,992,812.96, 2,750,148.24 and 1,087,444.64

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Solution

The fourth proportional to 1,992,812.96, 2,750,148.24 and 1,087,444.64 is: 1,500,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,812.96 : 2,750,148.24 = 1,087,444.64 : x
  2. Step 2: Convert to fraction form
    1,992,812.96/2,750,148.24 = 1,087,444.64/x
  3. Step 3: Cross multiply
    1,992,812.96x = 2,750,148.24 × 1,087,444.64
  4. Step 4: Simplify right side
    1,992,812.96x = 2,990,633,962,793.43
  5. Step 5: Solve for x
    x = 2,990,633,962,793.43/1,992,812.96
  6. Step 6: Final answer
    x = 1,500,709.81

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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.