Home / 2,680,500.20-4,015,307.10-1,666,509.80

Finding the Fourth Proportional to 2,680,500.20, 4,015,307.10 and 1,666,509.80

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Solution

The fourth proportional to 2,680,500.20, 4,015,307.10 and 1,666,509.80 is: 2,496,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,500.20 : 4,015,307.10 = 1,666,509.80 : x
  2. Step 2: Convert to fraction form
    2,680,500.20/4,015,307.10 = 1,666,509.80/x
  3. Step 3: Cross multiply
    2,680,500.20x = 4,015,307.10 × 1,666,509.80
  4. Step 4: Simplify right side
    2,680,500.20x = 6,691,548,632,159.58
  5. Step 5: Solve for x
    x = 6,691,548,632,159.58/2,680,500.20
  6. Step 6: Final answer
    x = 2,496,380.58

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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.