Finding the Fourth Proportional to 6,414,433.09, 8,848,561.66 and 3,966,261.55
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Solution
The fourth proportional to 6,414,433.09, 8,848,561.66 and 3,966,261.55 is: 5,471,365.81
Step by Step Solution
- Step 1: Write the proportion equation
6,414,433.09 : 8,848,561.66 = 3,966,261.55 : x - Step 2: Convert to fraction form
6,414,433.09/8,848,561.66 = 3,966,261.55/x - Step 3: Cross multiply
6,414,433.09x = 8,848,561.66 × 3,966,261.55 - Step 4: Simplify right side
6,414,433.09x = 35,095,709,884,862.17 - Step 5: Solve for x
x = 35,095,709,884,862.17/6,414,433.09 - Step 6: Final answer
x = 5,471,365.81
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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.