Finding the Fourth Proportional to 2,309,366.62, 3,186,225.99 and 1,611,628.88
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Solution
The fourth proportional to 2,309,366.62, 3,186,225.99 and 1,611,628.88 is: 2,223,559.38
Step by Step Solution
- Step 1: Write the proportion equation
2,309,366.62 : 3,186,225.99 = 1,611,628.88 : x - Step 2: Convert to fraction form
2,309,366.62/3,186,225.99 = 1,611,628.88/x - Step 3: Cross multiply
2,309,366.62x = 3,186,225.99 × 1,611,628.88 - Step 4: Simplify right side
2,309,366.62x = 5,135,013,807,759.46 - Step 5: Solve for x
x = 5,135,013,807,759.46/2,309,366.62 - Step 6: Final answer
x = 2,223,559.38
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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.