Home / 1,660,650.48-2,481,876.80-1,212,315.44

Finding the Fourth Proportional to 1,660,650.48, 2,481,876.80 and 1,212,315.44

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Solution

The fourth proportional to 1,660,650.48, 2,481,876.80 and 1,212,315.44 is: 1,811,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,650.48 : 2,481,876.80 = 1,212,315.44 : x
  2. Step 2: Convert to fraction form
    1,660,650.48/2,481,876.80 = 1,212,315.44/x
  3. Step 3: Cross multiply
    1,660,650.48x = 2,481,876.80 × 1,212,315.44
  4. Step 4: Simplify right side
    1,660,650.48x = 3,008,817,564,817.79
  5. Step 5: Solve for x
    x = 3,008,817,564,817.79/1,660,650.48
  6. Step 6: Final answer
    x = 1,811,830.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.