Home / 7,237,620.80-10,852,494.60-2,978,219.60

Finding the Fourth Proportional to 7,237,620.80, 10,852,494.60 and 2,978,219.60

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Solution

The fourth proportional to 7,237,620.80, 10,852,494.60 and 2,978,219.60 is: 4,465,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,620.80 : 10,852,494.60 = 2,978,219.60 : x
  2. Step 2: Convert to fraction form
    7,237,620.80/10,852,494.60 = 2,978,219.60/x
  3. Step 3: Cross multiply
    7,237,620.80x = 10,852,494.60 × 2,978,219.60
  4. Step 4: Simplify right side
    7,237,620.80x = 32,321,112,126,614.16
  5. Step 5: Solve for x
    x = 32,321,112,126,614.16/7,237,620.80
  6. Step 6: Final answer
    x = 4,465,709.52

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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.