Home / 2,683,926.20-4,021,754.56-1,243,721

Finding the Fourth Proportional to 2,683,926.20, 4,021,754.56 and 1,243,721

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Solution

The fourth proportional to 2,683,926.20, 4,021,754.56 and 1,243,721 is: 1,863,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683,926.20 : 4,021,754.56 = 1,243,721 : x
  2. Step 2: Convert to fraction form
    2,683,926.20/4,021,754.56 = 1,243,721/x
  3. Step 3: Cross multiply
    2,683,926.20x = 4,021,754.56 × 1,243,721
  4. Step 4: Simplify right side
    2,683,926.20x = 5,001,940,603,117.76
  5. Step 5: Solve for x
    x = 5,001,940,603,117.76/2,683,926.20
  6. Step 6: Final answer
    x = 1,863,665.48

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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.