Home / 3,457,128.42-4,770,266.67-1,929,231.90

Finding the Fourth Proportional to 3,457,128.42, 4,770,266.67 and 1,929,231.90

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Solution

The fourth proportional to 3,457,128.42, 4,770,266.67 and 1,929,231.90 is: 2,662,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,128.42 : 4,770,266.67 = 1,929,231.90 : x
  2. Step 2: Convert to fraction form
    3,457,128.42/4,770,266.67 = 1,929,231.90/x
  3. Step 3: Cross multiply
    3,457,128.42x = 4,770,266.67 × 1,929,231.90
  4. Step 4: Simplify right side
    3,457,128.42x = 9,202,950,631,270.77
  5. Step 5: Solve for x
    x = 9,202,950,631,270.77/3,457,128.42
  6. Step 6: Final answer
    x = 2,662,021.63

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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.