Finding the Fourth Proportional to 2,519,487.34, 3,778,455.84 and 721,889.17
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Solution
The fourth proportional to 2,519,487.34, 3,778,455.84 and 721,889.17 is: 1,082,611.65
Step by Step Solution
- Step 1: Write the proportion equation
2,519,487.34 : 3,778,455.84 = 721,889.17 : x - Step 2: Convert to fraction form
2,519,487.34/3,778,455.84 = 721,889.17/x - Step 3: Cross multiply
2,519,487.34x = 3,778,455.84 × 721,889.17 - Step 4: Simplify right side
2,519,487.34x = 2,727,626,350,219.25 - Step 5: Solve for x
x = 2,727,626,350,219.25/2,519,487.34 - Step 6: Final answer
x = 1,082,611.65
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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.