Home / 1,905,885.65-2,858,222.21-626,198.15

Finding the Fourth Proportional to 1,905,885.65, 2,858,222.21 and 626,198.15

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Solution

The fourth proportional to 1,905,885.65, 2,858,222.21 and 626,198.15 is: 939,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,885.65 : 2,858,222.21 = 626,198.15 : x
  2. Step 2: Convert to fraction form
    1,905,885.65/2,858,222.21 = 626,198.15/x
  3. Step 3: Cross multiply
    1,905,885.65x = 2,858,222.21 × 626,198.15
  4. Step 4: Simplify right side
    1,905,885.65x = 1,789,813,442,768.81
  5. Step 5: Solve for x
    x = 1,789,813,442,768.81/1,905,885.65
  6. Step 6: Final answer
    x = 939,098.02

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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.