Home / 3,179,665.14-4,387,967.28-1,729,389.30

Finding the Fourth Proportional to 3,179,665.14, 4,387,967.28 and 1,729,389.30

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Solution

The fourth proportional to 3,179,665.14, 4,387,967.28 and 1,729,389.30 is: 2,386,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,665.14 : 4,387,967.28 = 1,729,389.30 : x
  2. Step 2: Convert to fraction form
    3,179,665.14/4,387,967.28 = 1,729,389.30/x
  3. Step 3: Cross multiply
    3,179,665.14x = 4,387,967.28 × 1,729,389.30
  4. Step 4: Simplify right side
    3,179,665.14x = 7,588,503,662,782.11
  5. Step 5: Solve for x
    x = 7,588,503,662,782.11/3,179,665.14
  6. Step 6: Final answer
    x = 2,386,573.22

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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.