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Finding the Fourth Proportional to 5,893,431.72, 8,839,272.78 and 1,633,155.72

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Solution

The fourth proportional to 5,893,431.72, 8,839,272.78 and 1,633,155.72 is: 2,449,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,893,431.72 : 8,839,272.78 = 1,633,155.72 : x
  2. Step 2: Convert to fraction form
    5,893,431.72/8,839,272.78 = 1,633,155.72/x
  3. Step 3: Cross multiply
    5,893,431.72x = 8,839,272.78 × 1,633,155.72
  4. Step 4: Simplify right side
    5,893,431.72x = 14,435,908,901,297.30
  5. Step 5: Solve for x
    x = 14,435,908,901,297.30/5,893,431.72
  6. Step 6: Final answer
    x = 2,449,491.16

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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.