Home / 1,992,199.32-2,990,332.89-1,458,133.92

Finding the Fourth Proportional to 1,992,199.32, 2,990,332.89 and 1,458,133.92

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Solution

The fourth proportional to 1,992,199.32, 2,990,332.89 and 1,458,133.92 is: 2,188,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,199.32 : 2,990,332.89 = 1,458,133.92 : x
  2. Step 2: Convert to fraction form
    1,992,199.32/2,990,332.89 = 1,458,133.92/x
  3. Step 3: Cross multiply
    1,992,199.32x = 2,990,332.89 × 1,458,133.92
  4. Step 4: Simplify right side
    1,992,199.32x = 4,360,305,819,000.63
  5. Step 5: Solve for x
    x = 4,360,305,819,000.63/1,992,199.32
  6. Step 6: Final answer
    x = 2,188,689.54

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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.