Home / 1,678,307.40-2,511,556.20-1,536,589.80

Finding the Fourth Proportional to 1,678,307.40, 2,511,556.20 and 1,536,589.80

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Solution

The fourth proportional to 1,678,307.40, 2,511,556.20 and 1,536,589.80 is: 2,299,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,307.40 : 2,511,556.20 = 1,536,589.80 : x
  2. Step 2: Convert to fraction form
    1,678,307.40/2,511,556.20 = 1,536,589.80/x
  3. Step 3: Cross multiply
    1,678,307.40x = 2,511,556.20 × 1,536,589.80
  4. Step 4: Simplify right side
    1,678,307.40x = 3,859,231,639,046.76
  5. Step 5: Solve for x
    x = 3,859,231,639,046.76/1,678,307.40
  6. Step 6: Final answer
    x = 2,299,478.41

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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.