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Finding the Fourth Proportional to 5,856,146.56, 8,768,941.08 and 4,712,662.90

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Solution

The fourth proportional to 5,856,146.56, 8,768,941.08 and 4,712,662.90 is: 7,056,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856,146.56 : 8,768,941.08 = 4,712,662.90 : x
  2. Step 2: Convert to fraction form
    5,856,146.56/8,768,941.08 = 4,712,662.90/x
  3. Step 3: Cross multiply
    5,856,146.56x = 8,768,941.08 × 4,712,662.90
  4. Step 4: Simplify right side
    5,856,146.56x = 41,325,063,300,001.94
  5. Step 5: Solve for x
    x = 41,325,063,300,001.94/5,856,146.56
  6. Step 6: Final answer
    x = 7,056,698.95

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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.