Home / 2,707,521.40-4,061,282.10-2,105,221.60

Finding the Fourth Proportional to 2,707,521.40, 4,061,282.10 and 2,105,221.60

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Solution

The fourth proportional to 2,707,521.40, 4,061,282.10 and 2,105,221.60 is: 3,157,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707,521.40 : 4,061,282.10 = 2,105,221.60 : x
  2. Step 2: Convert to fraction form
    2,707,521.40/4,061,282.10 = 2,105,221.60/x
  3. Step 3: Cross multiply
    2,707,521.40x = 4,061,282.10 × 2,105,221.60
  4. Step 4: Simplify right side
    2,707,521.40x = 8,549,898,800,613.36
  5. Step 5: Solve for x
    x = 8,549,898,800,613.36/2,707,521.40
  6. Step 6: Final answer
    x = 3,157,832.40

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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.