Home / 3,129,735.28-4,319,140.82-1,753,137.76

Finding the Fourth Proportional to 3,129,735.28, 4,319,140.82 and 1,753,137.76

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Solution

The fourth proportional to 3,129,735.28, 4,319,140.82 and 1,753,137.76 is: 2,419,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,735.28 : 4,319,140.82 = 1,753,137.76 : x
  2. Step 2: Convert to fraction form
    3,129,735.28/4,319,140.82 = 1,753,137.76/x
  3. Step 3: Cross multiply
    3,129,735.28x = 4,319,140.82 × 1,753,137.76
  4. Step 4: Simplify right side
    3,129,735.28x = 7,572,048,862,299.36
  5. Step 5: Solve for x
    x = 7,572,048,862,299.36/3,129,735.28
  6. Step 6: Final answer
    x = 2,419,389.56

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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.