Home / 3,780,890.10-5,675,021.55-1,889,766.90

Finding the Fourth Proportional to 3,780,890.10, 5,675,021.55 and 1,889,766.90

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Solution

The fourth proportional to 3,780,890.10, 5,675,021.55 and 1,889,766.90 is: 2,836,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,890.10 : 5,675,021.55 = 1,889,766.90 : x
  2. Step 2: Convert to fraction form
    3,780,890.10/5,675,021.55 = 1,889,766.90/x
  3. Step 3: Cross multiply
    3,780,890.10x = 5,675,021.55 × 1,889,766.90
  4. Step 4: Simplify right side
    3,780,890.10x = 10,724,467,881,976.69
  5. Step 5: Solve for x
    x = 10,724,467,881,976.69/3,780,890.10
  6. Step 6: Final answer
    x = 2,836,492.89

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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.