Home / 2,790,659.70-4,185,005.40-993,601.80

Finding the Fourth Proportional to 2,790,659.70, 4,185,005.40 and 993,601.80

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Solution

The fourth proportional to 2,790,659.70, 4,185,005.40 and 993,601.80 is: 1,490,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,659.70 : 4,185,005.40 = 993,601.80 : x
  2. Step 2: Convert to fraction form
    2,790,659.70/4,185,005.40 = 993,601.80/x
  3. Step 3: Cross multiply
    2,790,659.70x = 4,185,005.40 × 993,601.80
  4. Step 4: Simplify right side
    2,790,659.70x = 4,158,228,898,449.72
  5. Step 5: Solve for x
    x = 4,158,228,898,449.72/2,790,659.70
  6. Step 6: Final answer
    x = 1,490,052.30

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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.