Finding the Fourth Proportional to 2,153,419.01, 2,971,850.96 and 1,186,549.15
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Solution
The fourth proportional to 2,153,419.01, 2,971,850.96 and 1,186,549.15 is: 1,637,510.96
Step by Step Solution
- Step 1: Write the proportion equation
2,153,419.01 : 2,971,850.96 = 1,186,549.15 : x - Step 2: Convert to fraction form
2,153,419.01/2,971,850.96 = 1,186,549.15/x - Step 3: Cross multiply
2,153,419.01x = 2,971,850.96 × 1,186,549.15 - Step 4: Simplify right side
2,153,419.01x = 3,526,247,230,514.68 - Step 5: Solve for x
x = 3,526,247,230,514.68/2,153,419.01 - Step 6: Final answer
x = 1,637,510.96
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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.