Finding the Fourth Proportional to 2,198,816.17, 3,298,638.57 and 832,998.99
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Solution
The fourth proportional to 2,198,816.17, 3,298,638.57 and 832,998.99 is: 1,249,655.44
Step by Step Solution
- Step 1: Write the proportion equation
2,198,816.17 : 3,298,638.57 = 832,998.99 : x - Step 2: Convert to fraction form
2,198,816.17/3,298,638.57 = 832,998.99/x - Step 3: Cross multiply
2,198,816.17x = 3,298,638.57 × 832,998.99 - Step 4: Simplify right side
2,198,816.17x = 2,747,762,597,185.04 - Step 5: Solve for x
x = 2,747,762,597,185.04/2,198,816.17 - Step 6: Final answer
x = 1,249,655.44
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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.