Home / 7,096,642.98-10,644,811.72-1,978,936.64

Finding the Fourth Proportional to 7,096,642.98, 10,644,811.72 and 1,978,936.64

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Solution

The fourth proportional to 7,096,642.98, 10,644,811.72 and 1,978,936.64 is: 2,968,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,096,642.98 : 10,644,811.72 = 1,978,936.64 : x
  2. Step 2: Convert to fraction form
    7,096,642.98/10,644,811.72 = 1,978,936.64/x
  3. Step 3: Cross multiply
    7,096,642.98x = 10,644,811.72 × 1,978,936.64
  4. Step 4: Simplify right side
    7,096,642.98x = 21,065,407,947,512.21
  5. Step 5: Solve for x
    x = 21,065,407,947,512.21/7,096,642.98
  6. Step 6: Final answer
    x = 2,968,362.37

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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.