Home / 3,881,765.58-5,356,617.90-2,139,429.69

Finding the Fourth Proportional to 3,881,765.58, 5,356,617.90 and 2,139,429.69

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Solution

The fourth proportional to 3,881,765.58, 5,356,617.90 and 2,139,429.69 is: 2,952,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,765.58 : 5,356,617.90 = 2,139,429.69 : x
  2. Step 2: Convert to fraction form
    3,881,765.58/5,356,617.90 = 2,139,429.69/x
  3. Step 3: Cross multiply
    3,881,765.58x = 5,356,617.90 × 2,139,429.69
  4. Step 4: Simplify right side
    3,881,765.58x = 11,460,107,373,245.45
  5. Step 5: Solve for x
    x = 11,460,107,373,245.45/3,881,765.58
  6. Step 6: Final answer
    x = 2,952,292.49

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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.