Home / 2,990,613.96-4,124,442.24-1,828,179.72

Finding the Fourth Proportional to 2,990,613.96, 4,124,442.24 and 1,828,179.72

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Solution

The fourth proportional to 2,990,613.96, 4,124,442.24 and 1,828,179.72 is: 2,521,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,613.96 : 4,124,442.24 = 1,828,179.72 : x
  2. Step 2: Convert to fraction form
    2,990,613.96/4,124,442.24 = 1,828,179.72/x
  3. Step 3: Cross multiply
    2,990,613.96x = 4,124,442.24 × 1,828,179.72
  4. Step 4: Simplify right side
    2,990,613.96x = 7,540,221,659,479.37
  5. Step 5: Solve for x
    x = 7,540,221,659,479.37/2,990,613.96
  6. Step 6: Final answer
    x = 2,521,295.55

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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.