Home / 5,171,826.66-7,137,120.72-2,997,630.93

Finding the Fourth Proportional to 5,171,826.66, 7,137,120.72 and 2,997,630.93

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Solution

The fourth proportional to 5,171,826.66, 7,137,120.72 and 2,997,630.93 is: 4,136,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,826.66 : 7,137,120.72 = 2,997,630.93 : x
  2. Step 2: Convert to fraction form
    5,171,826.66/7,137,120.72 = 2,997,630.93/x
  3. Step 3: Cross multiply
    5,171,826.66x = 7,137,120.72 × 2,997,630.93
  4. Step 4: Simplify right side
    5,171,826.66x = 21,394,453,821,415.87
  5. Step 5: Solve for x
    x = 21,394,453,821,415.87/5,171,826.66
  6. Step 6: Final answer
    x = 4,136,730.64

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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.