Home / 3,280,684.96-4,526,491.44-1,921,828.96

Finding the Fourth Proportional to 3,280,684.96, 4,526,491.44 and 1,921,828.96

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Solution

The fourth proportional to 3,280,684.96, 4,526,491.44 and 1,921,828.96 is: 2,651,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,684.96 : 4,526,491.44 = 1,921,828.96 : x
  2. Step 2: Convert to fraction form
    3,280,684.96/4,526,491.44 = 1,921,828.96/x
  3. Step 3: Cross multiply
    3,280,684.96x = 4,526,491.44 × 1,921,828.96
  4. Step 4: Simplify right side
    3,280,684.96x = 8,699,142,336,584.10
  5. Step 5: Solve for x
    x = 8,699,142,336,584.10/3,280,684.96
  6. Step 6: Final answer
    x = 2,651,623.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.