Home / 6,329,220.72-8,734,351.35-3,428,611.61

Finding the Fourth Proportional to 6,329,220.72, 8,734,351.35 and 3,428,611.61

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Solution

The fourth proportional to 6,329,220.72, 8,734,351.35 and 3,428,611.61 is: 4,731,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329,220.72 : 8,734,351.35 = 3,428,611.61 : x
  2. Step 2: Convert to fraction form
    6,329,220.72/8,734,351.35 = 3,428,611.61/x
  3. Step 3: Cross multiply
    6,329,220.72x = 8,734,351.35 × 3,428,611.61
  4. Step 4: Simplify right side
    6,329,220.72x = 29,946,698,444,429.17
  5. Step 5: Solve for x
    x = 29,946,698,444,429.17/6,329,220.72
  6. Step 6: Final answer
    x = 4,731,498.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.