Home / 5,385,295.80-8,081,880.30-3,790,972.80

Finding the Fourth Proportional to 5,385,295.80, 8,081,880.30 and 3,790,972.80

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Solution

The fourth proportional to 5,385,295.80, 8,081,880.30 and 3,790,972.80 is: 5,689,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,295.80 : 8,081,880.30 = 3,790,972.80 : x
  2. Step 2: Convert to fraction form
    5,385,295.80/8,081,880.30 = 3,790,972.80/x
  3. Step 3: Cross multiply
    5,385,295.80x = 8,081,880.30 × 3,790,972.80
  4. Step 4: Simplify right side
    5,385,295.80x = 30,638,188,390,155.84
  5. Step 5: Solve for x
    x = 30,638,188,390,155.84/5,385,295.80
  6. Step 6: Final answer
    x = 5,689,230.37

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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.