Finding the Fourth Proportional to 6,414,430.28, 8,848,557.79 and 3,966,258.74
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Solution
The fourth proportional to 6,414,430.28, 8,848,557.79 and 3,966,258.74 is: 5,471,361.93
Step by Step Solution
- Step 1: Write the proportion equation
6,414,430.28 : 8,848,557.79 = 3,966,258.74 : x - Step 2: Convert to fraction form
6,414,430.28/8,848,557.79 = 3,966,258.74/x - Step 3: Cross multiply
6,414,430.28x = 8,848,557.79 × 3,966,258.74 - Step 4: Simplify right side
6,414,430.28x = 35,095,669,616,824.14 - Step 5: Solve for x
x = 35,095,669,616,824.14/6,414,430.28 - Step 6: Final answer
x = 5,471,361.93
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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.