Home / 1,979,972.70-2,970,010.26-632,134.14

Finding the Fourth Proportional to 1,979,972.70, 2,970,010.26 and 632,134.14

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Solution

The fourth proportional to 1,979,972.70, 2,970,010.26 and 632,134.14 is: 948,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,972.70 : 2,970,010.26 = 632,134.14 : x
  2. Step 2: Convert to fraction form
    1,979,972.70/2,970,010.26 = 632,134.14/x
  3. Step 3: Cross multiply
    1,979,972.70x = 2,970,010.26 × 632,134.14
  4. Step 4: Simplify right side
    1,979,972.70x = 1,877,444,881,496.28
  5. Step 5: Solve for x
    x = 1,877,444,881,496.28/1,979,972.70
  6. Step 6: Final answer
    x = 948,217.56

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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.