Home / 2,919,525.42-4,379,272.20-1,190,388.48

Finding the Fourth Proportional to 2,919,525.42, 4,379,272.20 and 1,190,388.48

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Solution

The fourth proportional to 2,919,525.42, 4,379,272.20 and 1,190,388.48 is: 1,785,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,525.42 : 4,379,272.20 = 1,190,388.48 : x
  2. Step 2: Convert to fraction form
    2,919,525.42/4,379,272.20 = 1,190,388.48/x
  3. Step 3: Cross multiply
    2,919,525.42x = 4,379,272.20 × 1,190,388.48
  4. Step 4: Simplify right side
    2,919,525.42x = 5,213,035,170,210.84
  5. Step 5: Solve for x
    x = 5,213,035,170,210.84/2,919,525.42
  6. Step 6: Final answer
    x = 1,785,576.23

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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.