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Finding the Fourth Proportional to 5,791,238.12, 7,985,323.86 and 3,695,261.06

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Solution

The fourth proportional to 5,791,238.12, 7,985,323.86 and 3,695,261.06 is: 5,095,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791,238.12 : 7,985,323.86 = 3,695,261.06 : x
  2. Step 2: Convert to fraction form
    5,791,238.12/7,985,323.86 = 3,695,261.06/x
  3. Step 3: Cross multiply
    5,791,238.12x = 7,985,323.86 × 3,695,261.06
  4. Step 4: Simplify right side
    5,791,238.12x = 29,507,856,311,346.89
  5. Step 5: Solve for x
    x = 29,507,856,311,346.89/5,791,238.12
  6. Step 6: Final answer
    x = 5,095,258.68

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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.