Home / 5,280,994.20-7,926,740.10-2,588,359.80

Finding the Fourth Proportional to 5,280,994.20, 7,926,740.10 and 2,588,359.80

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Solution

The fourth proportional to 5,280,994.20, 7,926,740.10 and 2,588,359.80 is: 3,885,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,994.20 : 7,926,740.10 = 2,588,359.80 : x
  2. Step 2: Convert to fraction form
    5,280,994.20/7,926,740.10 = 2,588,359.80/x
  3. Step 3: Cross multiply
    5,280,994.20x = 7,926,740.10 × 2,588,359.80
  4. Step 4: Simplify right side
    5,280,994.20x = 20,517,255,419,887.98
  5. Step 5: Solve for x
    x = 20,517,255,419,887.98/5,280,994.20
  6. Step 6: Final answer
    x = 3,885,112.28

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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.