Home / 3,876,190.86-5,814,818.22-1,316,718.66

Finding the Fourth Proportional to 3,876,190.86, 5,814,818.22 and 1,316,718.66

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Solution

The fourth proportional to 3,876,190.86, 5,814,818.22 and 1,316,718.66 is: 1,975,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,190.86 : 5,814,818.22 = 1,316,718.66 : x
  2. Step 2: Convert to fraction form
    3,876,190.86/5,814,818.22 = 1,316,718.66/x
  3. Step 3: Cross multiply
    3,876,190.86x = 5,814,818.22 × 1,316,718.66
  4. Step 4: Simplify right side
    3,876,190.86x = 7,656,479,654,781.99
  5. Step 5: Solve for x
    x = 7,656,479,654,781.99/3,876,190.86
  6. Step 6: Final answer
    x = 1,975,258.68

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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.