Home / 3,518,905.46-5,278,265.85-1,122,896.30

Finding the Fourth Proportional to 3,518,905.46, 5,278,265.85 and 1,122,896.30

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Solution

The fourth proportional to 3,518,905.46, 5,278,265.85 and 1,122,896.30 is: 1,684,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,905.46 : 5,278,265.85 = 1,122,896.30 : x
  2. Step 2: Convert to fraction form
    3,518,905.46/5,278,265.85 = 1,122,896.30/x
  3. Step 3: Cross multiply
    3,518,905.46x = 5,278,265.85 × 1,122,896.30
  4. Step 4: Simplify right side
    3,518,905.46x = 5,926,945,193,381.36
  5. Step 5: Solve for x
    x = 5,926,945,193,381.36/3,518,905.46
  6. Step 6: Final answer
    x = 1,684,314.98

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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.