Home / 2,379,038.86-3,283,076.87-1,291,310.65

Finding the Fourth Proportional to 2,379,038.86, 3,283,076.87 and 1,291,310.65

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Solution

The fourth proportional to 2,379,038.86, 3,283,076.87 and 1,291,310.65 is: 1,782,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,038.86 : 3,283,076.87 = 1,291,310.65 : x
  2. Step 2: Convert to fraction form
    2,379,038.86/3,283,076.87 = 1,291,310.65/x
  3. Step 3: Cross multiply
    2,379,038.86x = 3,283,076.87 × 1,291,310.65
  4. Step 4: Simplify right side
    2,379,038.86x = 4,239,472,126,999.67
  5. Step 5: Solve for x
    x = 4,239,472,126,999.67/2,379,038.86
  6. Step 6: Final answer
    x = 1,782,010.46

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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.