Home / 4,429,886.20-6,647,939.70-1,907,351.80

Finding the Fourth Proportional to 4,429,886.20, 6,647,939.70 and 1,907,351.80

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Solution

The fourth proportional to 4,429,886.20, 6,647,939.70 and 1,907,351.80 is: 2,862,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,886.20 : 6,647,939.70 = 1,907,351.80 : x
  2. Step 2: Convert to fraction form
    4,429,886.20/6,647,939.70 = 1,907,351.80/x
  3. Step 3: Cross multiply
    4,429,886.20x = 6,647,939.70 × 1,907,351.80
  4. Step 4: Simplify right side
    4,429,886.20x = 12,679,959,753,086.46
  5. Step 5: Solve for x
    x = 12,679,959,753,086.46/4,429,886.20
  6. Step 6: Final answer
    x = 2,862,366.93

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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.