Home / 6,978,846.49-9,620,712.79-4,620,090.44

Finding the Fourth Proportional to 6,978,846.49, 9,620,712.79 and 4,620,090.44

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Solution

The fourth proportional to 6,978,846.49, 9,620,712.79 and 4,620,090.44 is: 6,369,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,846.49 : 9,620,712.79 = 4,620,090.44 : x
  2. Step 2: Convert to fraction form
    6,978,846.49/9,620,712.79 = 4,620,090.44/x
  3. Step 3: Cross multiply
    6,978,846.49x = 9,620,712.79 × 4,620,090.44
  4. Step 4: Simplify right side
    6,978,846.49x = 44,448,563,187,064.73
  5. Step 5: Solve for x
    x = 44,448,563,187,064.73/6,978,846.49
  6. Step 6: Final answer
    x = 6,369,041.54

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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.