Home / 3,548,293.78-5,322,364.25-989,440.54

Finding the Fourth Proportional to 3,548,293.78, 5,322,364.25 and 989,440.54

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Solution

The fourth proportional to 3,548,293.78, 5,322,364.25 and 989,440.54 is: 1,484,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,293.78 : 5,322,364.25 = 989,440.54 : x
  2. Step 2: Convert to fraction form
    3,548,293.78/5,322,364.25 = 989,440.54/x
  3. Step 3: Cross multiply
    3,548,293.78x = 5,322,364.25 × 989,440.54
  4. Step 4: Simplify right side
    3,548,293.78x = 5,266,162,941,599.06
  5. Step 5: Solve for x
    x = 5,266,162,941,599.06/3,548,293.78
  6. Step 6: Final answer
    x = 1,484,139.50

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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.