Finding the Fourth Proportional to 6,485,651.02, 9,728,877.66 and 2,168,089.75
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Solution
The fourth proportional to 6,485,651.02, 9,728,877.66 and 2,168,089.75 is: 3,252,268.72
Step by Step Solution
- Step 1: Write the proportion equation
6,485,651.02 : 9,728,877.66 = 2,168,089.75 : x - Step 2: Convert to fraction form
6,485,651.02/9,728,877.66 = 2,168,089.75/x - Step 3: Cross multiply
6,485,651.02x = 9,728,877.66 × 2,168,089.75 - Step 4: Simplify right side
6,485,651.02x = 21,093,079,933,649.98 - Step 5: Solve for x
x = 21,093,079,933,649.98/6,485,651.02 - Step 6: Final answer
x = 3,252,268.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.