Finding the Fourth Proportional to 1,997,686.26, 2,996,557.05 and 649,855.91
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Solution
The fourth proportional to 1,997,686.26, 2,996,557.05 and 649,855.91 is: 974,792.86
Step by Step Solution
- Step 1: Write the proportion equation
1,997,686.26 : 2,996,557.05 = 649,855.91 : x - Step 2: Convert to fraction form
1,997,686.26/2,996,557.05 = 649,855.91/x - Step 3: Cross multiply
1,997,686.26x = 2,996,557.05 × 649,855.91 - Step 4: Simplify right side
1,997,686.26x = 1,947,330,293,611.88 - Step 5: Solve for x
x = 1,947,330,293,611.88/1,997,686.26 - Step 6: Final answer
x = 974,792.86
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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.