Home / 3,121,945.40-4,683,724.06-962,921.96

Finding the Fourth Proportional to 3,121,945.40, 4,683,724.06 and 962,921.96

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Solution

The fourth proportional to 3,121,945.40, 4,683,724.06 and 962,921.96 is: 1,444,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,945.40 : 4,683,724.06 = 962,921.96 : x
  2. Step 2: Convert to fraction form
    3,121,945.40/4,683,724.06 = 962,921.96/x
  3. Step 3: Cross multiply
    3,121,945.40x = 4,683,724.06 × 962,921.96
  4. Step 4: Simplify right side
    3,121,945.40x = 4,510,060,751,954.36
  5. Step 5: Solve for x
    x = 4,510,060,751,954.36/3,121,945.40
  6. Step 6: Final answer
    x = 1,444,631.53

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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.