Home / 1,621,788.48-2,236,710.24-1,214,846.64

Finding the Fourth Proportional to 1,621,788.48, 2,236,710.24 and 1,214,846.64

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Solution

The fourth proportional to 1,621,788.48, 2,236,710.24 and 1,214,846.64 is: 1,675,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,788.48 : 2,236,710.24 = 1,214,846.64 : x
  2. Step 2: Convert to fraction form
    1,621,788.48/2,236,710.24 = 1,214,846.64/x
  3. Step 3: Cross multiply
    1,621,788.48x = 2,236,710.24 × 1,214,846.64
  4. Step 4: Simplify right side
    1,621,788.48x = 2,717,259,919,717.59
  5. Step 5: Solve for x
    x = 2,717,259,919,717.59/1,621,788.48
  6. Step 6: Final answer
    x = 1,675,471.22

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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.