Home / 2,143,074.72-3,214,534.08-864,233.76

Finding the Fourth Proportional to 2,143,074.72, 3,214,534.08 and 864,233.76

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Solution

The fourth proportional to 2,143,074.72, 3,214,534.08 and 864,233.76 is: 1,296,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,074.72 : 3,214,534.08 = 864,233.76 : x
  2. Step 2: Convert to fraction form
    2,143,074.72/3,214,534.08 = 864,233.76/x
  3. Step 3: Cross multiply
    2,143,074.72x = 3,214,534.08 × 864,233.76
  4. Step 4: Simplify right side
    2,143,074.72x = 2,778,108,874,606.54
  5. Step 5: Solve for x
    x = 2,778,108,874,606.54/2,143,074.72
  6. Step 6: Final answer
    x = 1,296,319.19

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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.