Home / 3,434,932.10-4,740,021.25-1,906,940.81

Finding the Fourth Proportional to 3,434,932.10, 4,740,021.25 and 1,906,940.81

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Solution

The fourth proportional to 3,434,932.10, 4,740,021.25 and 1,906,940.81 is: 2,631,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434,932.10 : 4,740,021.25 = 1,906,940.81 : x
  2. Step 2: Convert to fraction form
    3,434,932.10/4,740,021.25 = 1,906,940.81/x
  3. Step 3: Cross multiply
    3,434,932.10x = 4,740,021.25 × 1,906,940.81
  4. Step 4: Simplify right side
    3,434,932.10x = 9,038,939,968,974.91
  5. Step 5: Solve for x
    x = 9,038,939,968,974.91/3,434,932.10
  6. Step 6: Final answer
    x = 2,631,475.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.