Home / 2,789,675.31-4,180,520.48-1,589,116.80

Finding the Fourth Proportional to 2,789,675.31, 4,180,520.48 and 1,589,116.80

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Solution

The fourth proportional to 2,789,675.31, 4,180,520.48 and 1,589,116.80 is: 2,381,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,675.31 : 4,180,520.48 = 1,589,116.80 : x
  2. Step 2: Convert to fraction form
    2,789,675.31/4,180,520.48 = 1,589,116.80/x
  3. Step 3: Cross multiply
    2,789,675.31x = 4,180,520.48 × 1,589,116.80
  4. Step 4: Simplify right side
    2,789,675.31x = 6,643,335,319,566.48
  5. Step 5: Solve for x
    x = 6,643,335,319,566.48/2,789,675.31
  6. Step 6: Final answer
    x = 2,381,400.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.