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Finding the Fourth Proportional to 3,766,297.34, 5,197,380.72 and 2,134,854.74

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Solution

The fourth proportional to 3,766,297.34, 5,197,380.72 and 2,134,854.74 is: 2,946,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,297.34 : 5,197,380.72 = 2,134,854.74 : x
  2. Step 2: Convert to fraction form
    3,766,297.34/5,197,380.72 = 2,134,854.74/x
  3. Step 3: Cross multiply
    3,766,297.34x = 5,197,380.72 × 2,134,854.74
  4. Step 4: Simplify right side
    3,766,297.34x = 11,095,652,865,676.61
  5. Step 5: Solve for x
    x = 11,095,652,865,676.61/3,766,297.34
  6. Step 6: Final answer
    x = 2,946,037.41

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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.