Finding the Fourth Proportional to 1,676,556.27, 2,313,647.91 and 912,609.75
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Solution
The fourth proportional to 1,676,556.27, 2,313,647.91 and 912,609.75 is: 1,259,401.60
Step by Step Solution
- Step 1: Write the proportion equation
1,676,556.27 : 2,313,647.91 = 912,609.75 : x - Step 2: Convert to fraction form
1,676,556.27/2,313,647.91 = 912,609.75/x - Step 3: Cross multiply
1,676,556.27x = 2,313,647.91 × 912,609.75 - Step 4: Simplify right side
1,676,556.27x = 2,111,457,640,733.12 - Step 5: Solve for x
x = 2,111,457,640,733.12/1,676,556.27 - Step 6: Final answer
x = 1,259,401.60
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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.