Home / 2,871,529.20-4,307,002.20-978,243.30

Finding the Fourth Proportional to 2,871,529.20, 4,307,002.20 and 978,243.30

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Solution

The fourth proportional to 2,871,529.20, 4,307,002.20 and 978,243.30 is: 1,467,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,529.20 : 4,307,002.20 = 978,243.30 : x
  2. Step 2: Convert to fraction form
    2,871,529.20/4,307,002.20 = 978,243.30/x
  3. Step 3: Cross multiply
    2,871,529.20x = 4,307,002.20 × 978,243.30
  4. Step 4: Simplify right side
    2,871,529.20x = 4,213,296,045,235.26
  5. Step 5: Solve for x
    x = 4,213,296,045,235.26/2,871,529.20
  6. Step 6: Final answer
    x = 1,467,265.61

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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.