Home / 3,018,279.70-4,165,215.78-1,729,116.10

Finding the Fourth Proportional to 3,018,279.70, 4,165,215.78 and 1,729,116.10

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Solution

The fourth proportional to 3,018,279.70, 4,165,215.78 and 1,729,116.10 is: 2,386,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,279.70 : 4,165,215.78 = 1,729,116.10 : x
  2. Step 2: Convert to fraction form
    3,018,279.70/4,165,215.78 = 1,729,116.10/x
  3. Step 3: Cross multiply
    3,018,279.70x = 4,165,215.78 × 1,729,116.10
  4. Step 4: Simplify right side
    3,018,279.70x = 7,202,141,665,172.06
  5. Step 5: Solve for x
    x = 7,202,141,665,172.06/3,018,279.70
  6. Step 6: Final answer
    x = 2,386,174.37

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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.