Home / 2,379,222.40-3,283,384.80-1,291,538.56

Finding the Fourth Proportional to 2,379,222.40, 3,283,384.80 and 1,291,538.56

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Solution

The fourth proportional to 2,379,222.40, 3,283,384.80 and 1,291,538.56 is: 1,782,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,222.40 : 3,283,384.80 = 1,291,538.56 : x
  2. Step 2: Convert to fraction form
    2,379,222.40/3,283,384.80 = 1,291,538.56/x
  3. Step 3: Cross multiply
    2,379,222.40x = 3,283,384.80 × 1,291,538.56
  4. Step 4: Simplify right side
    2,379,222.40x = 4,240,618,076,517.89
  5. Step 5: Solve for x
    x = 4,240,618,076,517.89/2,379,222.40
  6. Step 6: Final answer
    x = 1,782,354.64

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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.