Home / 2,235,255.84-3,353,383.80-815,311.98

Finding the Fourth Proportional to 2,235,255.84, 3,353,383.80 and 815,311.98

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Solution

The fourth proportional to 2,235,255.84, 3,353,383.80 and 815,311.98 is: 1,223,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,255.84 : 3,353,383.80 = 815,311.98 : x
  2. Step 2: Convert to fraction form
    2,235,255.84/3,353,383.80 = 815,311.98/x
  3. Step 3: Cross multiply
    2,235,255.84x = 3,353,383.80 × 815,311.98
  4. Step 4: Simplify right side
    2,235,255.84x = 2,734,053,985,677.92
  5. Step 5: Solve for x
    x = 2,734,053,985,677.92/2,235,255.84
  6. Step 6: Final answer
    x = 1,223,150.36

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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.