Home / 3,295,138.40-4,941,753.31-989,538.60

Finding the Fourth Proportional to 3,295,138.40, 4,941,753.31 and 989,538.60

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Solution

The fourth proportional to 3,295,138.40, 4,941,753.31 and 989,538.60 is: 1,484,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295,138.40 : 4,941,753.31 = 989,538.60 : x
  2. Step 2: Convert to fraction form
    3,295,138.40/4,941,753.31 = 989,538.60/x
  3. Step 3: Cross multiply
    3,295,138.40x = 4,941,753.31 × 989,538.60
  4. Step 4: Simplify right side
    3,295,138.40x = 4,890,055,646,975.07
  5. Step 5: Solve for x
    x = 4,890,055,646,975.07/3,295,138.40
  6. Step 6: Final answer
    x = 1,484,021.32

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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.