Home / 2,082,316.80-3,121,401.60-958,425.60

Finding the Fourth Proportional to 2,082,316.80, 3,121,401.60 and 958,425.60

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Solution

The fourth proportional to 2,082,316.80, 3,121,401.60 and 958,425.60 is: 1,436,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,316.80 : 3,121,401.60 = 958,425.60 : x
  2. Step 2: Convert to fraction form
    2,082,316.80/3,121,401.60 = 958,425.60/x
  3. Step 3: Cross multiply
    2,082,316.80x = 3,121,401.60 × 958,425.60
  4. Step 4: Simplify right side
    2,082,316.80x = 2,991,631,201,320.96
  5. Step 5: Solve for x
    x = 2,991,631,201,320.96/2,082,316.80
  6. Step 6: Final answer
    x = 1,436,683.99

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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.