Finding the Fourth Proportional to 5,716,433.11, 7,877,775.62 and 5,611,362.80
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Solution
The fourth proportional to 5,716,433.11, 7,877,775.62 and 5,611,362.80 is: 7,732,978.98
Step by Step Solution
- Step 1: Write the proportion equation
5,716,433.11 : 7,877,775.62 = 5,611,362.80 : x - Step 2: Convert to fraction form
5,716,433.11/7,877,775.62 = 5,611,362.80/x - Step 3: Cross multiply
5,716,433.11x = 7,877,775.62 × 5,611,362.80 - Step 4: Simplify right side
5,716,433.11x = 44,205,057,060,814.94 - Step 5: Solve for x
x = 44,205,057,060,814.94/5,716,433.11 - Step 6: Final answer
x = 7,732,978.98
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1.5x scale
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.