Home / 1,900,479.06-2,850,421.46-621,076.36

Finding the Fourth Proportional to 1,900,479.06, 2,850,421.46 and 621,076.36

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Solution

The fourth proportional to 1,900,479.06, 2,850,421.46 and 621,076.36 is: 931,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,479.06 : 2,850,421.46 = 621,076.36 : x
  2. Step 2: Convert to fraction form
    1,900,479.06/2,850,421.46 = 621,076.36/x
  3. Step 3: Cross multiply
    1,900,479.06x = 2,850,421.46 × 621,076.36
  4. Step 4: Simplify right side
    1,900,479.06x = 1,770,329,384,842.69
  5. Step 5: Solve for x
    x = 1,770,329,384,842.69/1,900,479.06
  6. Step 6: Final answer
    x = 931,517.44

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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.