Home / 1,839,840.30-2,759,566.34-492,138.90

Finding the Fourth Proportional to 1,839,840.30, 2,759,566.34 and 492,138.90

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Solution

The fourth proportional to 1,839,840.30, 2,759,566.34 and 492,138.90 is: 738,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,840.30 : 2,759,566.34 = 492,138.90 : x
  2. Step 2: Convert to fraction form
    1,839,840.30/2,759,566.34 = 492,138.90/x
  3. Step 3: Cross multiply
    1,839,840.30x = 2,759,566.34 × 492,138.90
  4. Step 4: Simplify right side
    1,839,840.30x = 1,358,089,940,583.93
  5. Step 5: Solve for x
    x = 1,358,089,940,583.93/1,839,840.30
  6. Step 6: Final answer
    x = 738,156.43

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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.