Home / 3,190,703.52-4,782,772.08-1,393,250.88

Finding the Fourth Proportional to 3,190,703.52, 4,782,772.08 and 1,393,250.88

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Solution

The fourth proportional to 3,190,703.52, 4,782,772.08 and 1,393,250.88 is: 2,088,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,703.52 : 4,782,772.08 = 1,393,250.88 : x
  2. Step 2: Convert to fraction form
    3,190,703.52/4,782,772.08 = 1,393,250.88/x
  3. Step 3: Cross multiply
    3,190,703.52x = 4,782,772.08 × 1,393,250.88
  4. Step 4: Simplify right side
    3,190,703.52x = 6,663,601,409,299.43
  5. Step 5: Solve for x
    x = 6,663,601,409,299.43/3,190,703.52
  6. Step 6: Final answer
    x = 2,088,442.68

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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.