Home / 3,112,692.99-4,668,688.72-838,383.81

Finding the Fourth Proportional to 3,112,692.99, 4,668,688.72 and 838,383.81

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Solution

The fourth proportional to 3,112,692.99, 4,668,688.72 and 838,383.81 is: 1,257,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,692.99 : 4,668,688.72 = 838,383.81 : x
  2. Step 2: Convert to fraction form
    3,112,692.99/4,668,688.72 = 838,383.81/x
  3. Step 3: Cross multiply
    3,112,692.99x = 4,668,688.72 × 838,383.81
  4. Step 4: Simplify right side
    3,112,692.99x = 3,914,153,036,777.62
  5. Step 5: Solve for x
    x = 3,914,153,036,777.62/3,112,692.99
  6. Step 6: Final answer
    x = 1,257,481.24

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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.