Finding the Fourth Proportional to 5,357,465.44, 7,393,381.86 and 2,910,124.24
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Solution
The fourth proportional to 5,357,465.44, 7,393,381.86 and 2,910,124.24 is: 4,016,014.66
Step by Step Solution
- Step 1: Write the proportion equation
5,357,465.44 : 7,393,381.86 = 2,910,124.24 : x - Step 2: Convert to fraction form
5,357,465.44/7,393,381.86 = 2,910,124.24/x - Step 3: Cross multiply
5,357,465.44x = 7,393,381.86 × 2,910,124.24 - Step 4: Simplify right side
5,357,465.44x = 21,515,659,766,362.29 - Step 5: Solve for x
x = 21,515,659,766,362.29/5,357,465.44 - Step 6: Final answer
x = 4,016,014.66
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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.