Home / 6,329,990.72-8,735,374.86-3,429,453.98

Finding the Fourth Proportional to 6,329,990.72, 8,735,374.86 and 3,429,453.98

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Solution

The fourth proportional to 6,329,990.72, 8,735,374.86 and 3,429,453.98 is: 4,732,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329,990.72 : 8,735,374.86 = 3,429,453.98 : x
  2. Step 2: Convert to fraction form
    6,329,990.72/8,735,374.86 = 3,429,453.98/x
  3. Step 3: Cross multiply
    6,329,990.72x = 8,735,374.86 × 3,429,453.98
  4. Step 4: Simplify right side
    6,329,990.72x = 29,957,566,080,418.94
  5. Step 5: Solve for x
    x = 29,957,566,080,418.94/6,329,990.72
  6. Step 6: Final answer
    x = 4,732,639.81

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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.