Finding the Fourth Proportional to 1,690,923.36, 2,333,474.04 and 926,982.32
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Solution
The fourth proportional to 1,690,923.36, 2,333,474.04 and 926,982.32 is: 1,279,235.49
Step by Step Solution
- Step 1: Write the proportion equation
1,690,923.36 : 2,333,474.04 = 926,982.32 : x - Step 2: Convert to fraction form
1,690,923.36/2,333,474.04 = 926,982.32/x - Step 3: Cross multiply
1,690,923.36x = 2,333,474.04 × 926,982.32 - Step 4: Simplify right side
1,690,923.36x = 2,163,089,179,258.97 - Step 5: Solve for x
x = 2,163,089,179,258.97/1,690,923.36 - Step 6: Final answer
x = 1,279,235.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.