Home / 2,133,391.61-3,200,090.49-871,219.23

Finding the Fourth Proportional to 2,133,391.61, 3,200,090.49 and 871,219.23

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Solution

The fourth proportional to 2,133,391.61, 3,200,090.49 and 871,219.23 is: 1,306,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,391.61 : 3,200,090.49 = 871,219.23 : x
  2. Step 2: Convert to fraction form
    2,133,391.61/3,200,090.49 = 871,219.23/x
  3. Step 3: Cross multiply
    2,133,391.61x = 3,200,090.49 × 871,219.23
  4. Step 4: Simplify right side
    2,133,391.61x = 2,787,980,372,628.12
  5. Step 5: Solve for x
    x = 2,787,980,372,628.12/2,133,391.61
  6. Step 6: Final answer
    x = 1,306,830.10

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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.