Home / 2,209,385.67-3,313,940.87-1,057,450.40

Finding the Fourth Proportional to 2,209,385.67, 3,313,940.87 and 1,057,450.40

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Solution

The fourth proportional to 2,209,385.67, 3,313,940.87 and 1,057,450.40 is: 1,586,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,385.67 : 3,313,940.87 = 1,057,450.40 : x
  2. Step 2: Convert to fraction form
    2,209,385.67/3,313,940.87 = 1,057,450.40/x
  3. Step 3: Cross multiply
    2,209,385.67x = 3,313,940.87 × 1,057,450.40
  4. Step 4: Simplify right side
    2,209,385.67x = 3,504,328,076,700.89
  5. Step 5: Solve for x
    x = 3,504,328,076,700.89/2,209,385.67
  6. Step 6: Final answer
    x = 1,586,109.72

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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.