Home / 5,977,296-8,248,670.40-3,831,120

Finding the Fourth Proportional to 5,977,296, 8,248,670.40 and 3,831,120

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Solution

The fourth proportional to 5,977,296, 8,248,670.40 and 3,831,120 is: 5,286,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977,296 : 8,248,670.40 = 3,831,120 : x
  2. Step 2: Convert to fraction form
    5,977,296/8,248,670.40 = 3,831,120/x
  3. Step 3: Cross multiply
    5,977,296x = 8,248,670.40 × 3,831,120
  4. Step 4: Simplify right side
    5,977,296x = 31,601,646,142,848
  5. Step 5: Solve for x
    x = 31,601,646,142,848/5,977,296
  6. Step 6: Final answer
    x = 5,286,946.83

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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.