Home / 3,161,743.74-4,365,721.53-2,919,937.86

Finding the Fourth Proportional to 3,161,743.74, 4,365,721.53 and 2,919,937.86

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Solution

The fourth proportional to 3,161,743.74, 4,365,721.53 and 2,919,937.86 is: 4,031,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,743.74 : 4,365,721.53 = 2,919,937.86 : x
  2. Step 2: Convert to fraction form
    3,161,743.74/4,365,721.53 = 2,919,937.86/x
  3. Step 3: Cross multiply
    3,161,743.74x = 4,365,721.53 × 2,919,937.86
  4. Step 4: Simplify right side
    3,161,743.74x = 12,747,635,581,664.13
  5. Step 5: Solve for x
    x = 12,747,635,581,664.13/3,161,743.74
  6. Step 6: Final answer
    x = 4,031,837.06

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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.