Home / 2,038,910.40-3,058,268.40-690,940.80

Finding the Fourth Proportional to 2,038,910.40, 3,058,268.40 and 690,940.80

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Solution

The fourth proportional to 2,038,910.40, 3,058,268.40 and 690,940.80 is: 1,036,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,910.40 : 3,058,268.40 = 690,940.80 : x
  2. Step 2: Convert to fraction form
    2,038,910.40/3,058,268.40 = 690,940.80/x
  3. Step 3: Cross multiply
    2,038,910.40x = 3,058,268.40 × 690,940.80
  4. Step 4: Simplify right side
    2,038,910.40x = 2,113,082,414,910.72
  5. Step 5: Solve for x
    x = 2,113,082,414,910.72/2,038,910.40
  6. Step 6: Final answer
    x = 1,036,378.26

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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.