Home / 1,641,215.70-2,460,441.15-853,247.70

Finding the Fourth Proportional to 1,641,215.70, 2,460,441.15 and 853,247.70

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Solution

The fourth proportional to 1,641,215.70, 2,460,441.15 and 853,247.70 is: 1,279,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,215.70 : 2,460,441.15 = 853,247.70 : x
  2. Step 2: Convert to fraction form
    1,641,215.70/2,460,441.15 = 853,247.70/x
  3. Step 3: Cross multiply
    1,641,215.70x = 2,460,441.15 × 853,247.70
  4. Step 4: Simplify right side
    1,641,215.70x = 2,099,365,752,222.85
  5. Step 5: Solve for x
    x = 2,099,365,752,222.85/1,641,215.70
  6. Step 6: Final answer
    x = 1,279,152.86

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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.