Finding the Fourth Proportional to 3,778,085.96, 5,213,762.58 and 2,059,207.88
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Solution
The fourth proportional to 3,778,085.96, 5,213,762.58 and 2,059,207.88 is: 2,841,709.03
Step by Step Solution
- Step 1: Write the proportion equation
3,778,085.96 : 5,213,762.58 = 2,059,207.88 : x - Step 2: Convert to fraction form
3,778,085.96/5,213,762.58 = 2,059,207.88/x - Step 3: Cross multiply
3,778,085.96x = 5,213,762.58 × 2,059,207.88 - Step 4: Simplify right side
3,778,085.96x = 10,736,220,989,185.13 - Step 5: Solve for x
x = 10,736,220,989,185.13/3,778,085.96 - Step 6: Final answer
x = 2,841,709.03
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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.