Finding the Fourth Proportional to 3,433,436.64, 4,737,921.84 and 1,905,544.80
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Solution
The fourth proportional to 3,433,436.64, 4,737,921.84 and 1,905,544.80 is: 2,629,529.32
Step by Step Solution
- Step 1: Write the proportion equation
3,433,436.64 : 4,737,921.84 = 1,905,544.80 : x - Step 2: Convert to fraction form
3,433,436.64/4,737,921.84 = 1,905,544.80/x - Step 3: Cross multiply
3,433,436.64x = 4,737,921.84 × 1,905,544.80 - Step 4: Simplify right side
3,433,436.64x = 9,028,322,325,018.43 - Step 5: Solve for x
x = 9,028,322,325,018.43/3,433,436.64 - Step 6: Final answer
x = 2,629,529.32
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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.