Home / 5,451,208.80-8,176,813.20-1,664,685.60

Finding the Fourth Proportional to 5,451,208.80, 8,176,813.20 and 1,664,685.60

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Solution

The fourth proportional to 5,451,208.80, 8,176,813.20 and 1,664,685.60 is: 2,497,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,208.80 : 8,176,813.20 = 1,664,685.60 : x
  2. Step 2: Convert to fraction form
    5,451,208.80/8,176,813.20 = 1,664,685.60/x
  3. Step 3: Cross multiply
    5,451,208.80x = 8,176,813.20 × 1,664,685.60
  4. Step 4: Simplify right side
    5,451,208.80x = 13,611,823,187,929.92
  5. Step 5: Solve for x
    x = 13,611,823,187,929.92/5,451,208.80
  6. Step 6: Final answer
    x = 2,497,028.40

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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.