Finding the Fourth Proportional to 5,389,772.64, 7,437,998.81 and 2,942,486.84
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Solution
The fourth proportional to 5,389,772.64, 7,437,998.81 and 2,942,486.84 is: 4,060,693.28
Step by Step Solution
- Step 1: Write the proportion equation
5,389,772.64 : 7,437,998.81 = 2,942,486.84 : x - Step 2: Convert to fraction form
5,389,772.64/7,437,998.81 = 2,942,486.84/x - Step 3: Cross multiply
5,389,772.64x = 7,437,998.81 × 2,942,486.84 - Step 4: Simplify right side
5,389,772.64x = 21,886,213,562,458.23 - Step 5: Solve for x
x = 21,886,213,562,458.23/5,389,772.64 - Step 6: Final answer
x = 4,060,693.28
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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.