Finding the Fourth Proportional to 3,931,471.36, 5,427,104.48 and 2,643,059
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Solution
The fourth proportional to 3,931,471.36, 5,427,104.48 and 2,643,059 is: 3,648,546.82
Step by Step Solution
- Step 1: Write the proportion equation
3,931,471.36 : 5,427,104.48 = 2,643,059 : x - Step 2: Convert to fraction form
3,931,471.36/5,427,104.48 = 2,643,059/x - Step 3: Cross multiply
3,931,471.36x = 5,427,104.48 × 2,643,059 - Step 4: Simplify right side
3,931,471.36x = 14,344,157,339,804.32 - Step 5: Solve for x
x = 14,344,157,339,804.32/3,931,471.36 - Step 6: Final answer
x = 3,648,546.82
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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.