Home / 3,412,389.81-5,108,651.30-1,789,309.82

Finding the Fourth Proportional to 3,412,389.81, 5,108,651.30 and 1,789,309.82

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Solution

The fourth proportional to 3,412,389.81, 5,108,651.30 and 1,789,309.82 is: 2,678,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,389.81 : 5,108,651.30 = 1,789,309.82 : x
  2. Step 2: Convert to fraction form
    3,412,389.81/5,108,651.30 = 1,789,309.82/x
  3. Step 3: Cross multiply
    3,412,389.81x = 5,108,651.30 × 1,789,309.82
  4. Step 4: Simplify right side
    3,412,389.81x = 9,140,959,929,099.22
  5. Step 5: Solve for x
    x = 9,140,959,929,099.22/3,412,389.81
  6. Step 6: Final answer
    x = 2,678,756.07

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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.