Home / 3,109,825.80-4,666,812.30-1,761,985.80

Finding the Fourth Proportional to 3,109,825.80, 4,666,812.30 and 1,761,985.80

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Solution

The fourth proportional to 3,109,825.80, 4,666,812.30 and 1,761,985.80 is: 2,644,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,825.80 : 4,666,812.30 = 1,761,985.80 : x
  2. Step 2: Convert to fraction form
    3,109,825.80/4,666,812.30 = 1,761,985.80/x
  3. Step 3: Cross multiply
    3,109,825.80x = 4,666,812.30 × 1,761,985.80
  4. Step 4: Simplify right side
    3,109,825.80x = 8,222,857,003,865.34
  5. Step 5: Solve for x
    x = 8,222,857,003,865.34/3,109,825.80
  6. Step 6: Final answer
    x = 2,644,153.57

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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.