Home / 1,890,902.84-2,836,378.94-628,730.46

Finding the Fourth Proportional to 1,890,902.84, 2,836,378.94 and 628,730.46

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Solution

The fourth proportional to 1,890,902.84, 2,836,378.94 and 628,730.46 is: 943,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,902.84 : 2,836,378.94 = 628,730.46 : x
  2. Step 2: Convert to fraction form
    1,890,902.84/2,836,378.94 = 628,730.46/x
  3. Step 3: Cross multiply
    1,890,902.84x = 2,836,378.94 × 628,730.46
  4. Step 4: Simplify right side
    1,890,902.84x = 1,783,317,835,680.51
  5. Step 5: Solve for x
    x = 1,783,317,835,680.51/1,890,902.84
  6. Step 6: Final answer
    x = 943,103.90

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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.