Home / 1,900,493.81-2,850,443.64-621,091.11

Finding the Fourth Proportional to 1,900,493.81, 2,850,443.64 and 621,091.11

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Solution

The fourth proportional to 1,900,493.81, 2,850,443.64 and 621,091.11 is: 931,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,493.81 : 2,850,443.64 = 621,091.11 : x
  2. Step 2: Convert to fraction form
    1,900,493.81/2,850,443.64 = 621,091.11/x
  3. Step 3: Cross multiply
    1,900,493.81x = 2,850,443.64 × 621,091.11
  4. Step 4: Simplify right side
    1,900,493.81x = 1,770,385,204,360.04
  5. Step 5: Solve for x
    x = 1,770,385,204,360.04/1,900,493.81
  6. Step 6: Final answer
    x = 931,539.58

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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.