Home / 2,911,390.20-4,367,741.40-889,727.40

Finding the Fourth Proportional to 2,911,390.20, 4,367,741.40 and 889,727.40

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Solution

The fourth proportional to 2,911,390.20, 4,367,741.40 and 889,727.40 is: 1,334,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,390.20 : 4,367,741.40 = 889,727.40 : x
  2. Step 2: Convert to fraction form
    2,911,390.20/4,367,741.40 = 889,727.40/x
  3. Step 3: Cross multiply
    2,911,390.20x = 4,367,741.40 × 889,727.40
  4. Step 4: Simplify right side
    2,911,390.20x = 3,886,099,199,694.36
  5. Step 5: Solve for x
    x = 3,886,099,199,694.36/2,911,390.20
  6. Step 6: Final answer
    x = 1,334,791.61

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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.