Home / 2,319,879.02-3,201,467.88-1,287,453.69

Finding the Fourth Proportional to 2,319,879.02, 3,201,467.88 and 1,287,453.69

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Solution

The fourth proportional to 2,319,879.02, 3,201,467.88 and 1,287,453.69 is: 1,776,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,879.02 : 3,201,467.88 = 1,287,453.69 : x
  2. Step 2: Convert to fraction form
    2,319,879.02/3,201,467.88 = 1,287,453.69/x
  3. Step 3: Cross multiply
    2,319,879.02x = 3,201,467.88 × 1,287,453.69
  4. Step 4: Simplify right side
    2,319,879.02x = 4,121,741,635,522.48
  5. Step 5: Solve for x
    x = 4,121,741,635,522.48/2,319,879.02
  6. Step 6: Final answer
    x = 1,776,705.43

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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.