Home / 3,111,721.53-4,658,780.11-1,649,436.03

Finding the Fourth Proportional to 3,111,721.53, 4,658,780.11 and 1,649,436.03

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Solution

The fourth proportional to 3,111,721.53, 4,658,780.11 and 1,649,436.03 is: 2,469,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,721.53 : 4,658,780.11 = 1,649,436.03 : x
  2. Step 2: Convert to fraction form
    3,111,721.53/4,658,780.11 = 1,649,436.03/x
  3. Step 3: Cross multiply
    3,111,721.53x = 4,658,780.11 × 1,649,436.03
  4. Step 4: Simplify right side
    3,111,721.53x = 7,684,359,769,281.36
  5. Step 5: Solve for x
    x = 7,684,359,769,281.36/3,111,721.53
  6. Step 6: Final answer
    x = 2,469,488.25

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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.