Home / 3,179,497.23-4,387,663.76-1,729,161.45

Finding the Fourth Proportional to 3,179,497.23, 4,387,663.76 and 1,729,161.45

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Solution

The fourth proportional to 3,179,497.23, 4,387,663.76 and 1,729,161.45 is: 2,386,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,497.23 : 4,387,663.76 = 1,729,161.45 : x
  2. Step 2: Convert to fraction form
    3,179,497.23/4,387,663.76 = 1,729,161.45/x
  3. Step 3: Cross multiply
    3,179,497.23x = 4,387,663.76 × 1,729,161.45
  4. Step 4: Simplify right side
    3,179,497.23x = 7,586,979,020,708.24
  5. Step 5: Solve for x
    x = 7,586,979,020,708.24/3,179,497.23
  6. Step 6: Final answer
    x = 2,386,219.73

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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.