Home / 2,631,440.59-3,947,158.58-990,424.41

Finding the Fourth Proportional to 2,631,440.59, 3,947,158.58 and 990,424.41

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Solution

The fourth proportional to 2,631,440.59, 3,947,158.58 and 990,424.41 is: 1,485,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,440.59 : 3,947,158.58 = 990,424.41 : x
  2. Step 2: Convert to fraction form
    2,631,440.59/3,947,158.58 = 990,424.41/x
  3. Step 3: Cross multiply
    2,631,440.59x = 3,947,158.58 × 990,424.41
  4. Step 4: Simplify right side
    2,631,440.59x = 3,909,362,207,772.94
  5. Step 5: Solve for x
    x = 3,909,362,207,772.94/2,631,440.59
  6. Step 6: Final answer
    x = 1,485,635.75

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Double scale
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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.