Home / 5,220,384.78-7,829,643.93-3,321,485.58

Finding the Fourth Proportional to 5,220,384.78, 7,829,643.93 and 3,321,485.58

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Solution

The fourth proportional to 5,220,384.78, 7,829,643.93 and 3,321,485.58 is: 4,981,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,384.78 : 7,829,643.93 = 3,321,485.58 : x
  2. Step 2: Convert to fraction form
    5,220,384.78/7,829,643.93 = 3,321,485.58/x
  3. Step 3: Cross multiply
    5,220,384.78x = 7,829,643.93 × 3,321,485.58
  4. Step 4: Simplify right side
    5,220,384.78x = 26,006,049,410,029.53
  5. Step 5: Solve for x
    x = 26,006,049,410,029.53/5,220,384.78
  6. Step 6: Final answer
    x = 4,981,634.59

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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.