Finding the Fourth Proportional to 1,465,307.40, 2,197,961.10 and 1,320,673.80
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Solution
The fourth proportional to 1,465,307.40, 2,197,961.10 and 1,320,673.80 is: 1,981,010.70
Step by Step Solution
- Step 1: Write the proportion equation
1,465,307.40 : 2,197,961.10 = 1,320,673.80 : x - Step 2: Convert to fraction form
1,465,307.40/2,197,961.10 = 1,320,673.80/x - Step 3: Cross multiply
1,465,307.40x = 2,197,961.10 × 1,320,673.80 - Step 4: Simplify right side
1,465,307.40x = 2,902,789,638,189.18 - Step 5: Solve for x
x = 2,902,789,638,189.18/1,465,307.40 - Step 6: Final answer
x = 1,981,010.70
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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.