Home / 3,791,353.77-5,230,790.68-2,158,605.89

Finding the Fourth Proportional to 3,791,353.77, 5,230,790.68 and 2,158,605.89

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Solution

The fourth proportional to 3,791,353.77, 5,230,790.68 and 2,158,605.89 is: 2,978,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791,353.77 : 5,230,790.68 = 2,158,605.89 : x
  2. Step 2: Convert to fraction form
    3,791,353.77/5,230,790.68 = 2,158,605.89/x
  3. Step 3: Cross multiply
    3,791,353.77x = 5,230,790.68 × 2,158,605.89
  4. Step 4: Simplify right side
    3,791,353.77x = 11,291,215,534,258.12
  5. Step 5: Solve for x
    x = 11,291,215,534,258.12/3,791,353.77
  6. Step 6: Final answer
    x = 2,978,148.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.