Home / 2,921,252.80-4,381,879.20-1,661,540.80

Finding the Fourth Proportional to 2,921,252.80, 4,381,879.20 and 1,661,540.80

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Solution

The fourth proportional to 2,921,252.80, 4,381,879.20 and 1,661,540.80 is: 2,492,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,252.80 : 4,381,879.20 = 1,661,540.80 : x
  2. Step 2: Convert to fraction form
    2,921,252.80/4,381,879.20 = 1,661,540.80/x
  3. Step 3: Cross multiply
    2,921,252.80x = 4,381,879.20 × 1,661,540.80
  4. Step 4: Simplify right side
    2,921,252.80x = 7,280,671,071,471.36
  5. Step 5: Solve for x
    x = 7,280,671,071,471.36/2,921,252.80
  6. Step 6: Final answer
    x = 2,492,311.20

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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.