Home / 5,381,012.20-8,071,518.30-2,014,781.80

Finding the Fourth Proportional to 5,381,012.20, 8,071,518.30 and 2,014,781.80

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Solution

The fourth proportional to 5,381,012.20, 8,071,518.30 and 2,014,781.80 is: 3,022,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,012.20 : 8,071,518.30 = 2,014,781.80 : x
  2. Step 2: Convert to fraction form
    5,381,012.20/8,071,518.30 = 2,014,781.80/x
  3. Step 3: Cross multiply
    5,381,012.20x = 8,071,518.30 × 2,014,781.80
  4. Step 4: Simplify right side
    5,381,012.20x = 16,262,348,169,206.94
  5. Step 5: Solve for x
    x = 16,262,348,169,206.94/5,381,012.20
  6. Step 6: Final answer
    x = 3,022,172.70

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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.