Finding the Fourth Proportional to 5,929,755.95, 8,183,070.20 and 3,213,501.95
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Solution
The fourth proportional to 5,929,755.95, 8,183,070.20 and 3,213,501.95 is: 4,434,636.48
Step by Step Solution
- Step 1: Write the proportion equation
5,929,755.95 : 8,183,070.20 = 3,213,501.95 : x - Step 2: Convert to fraction form
5,929,755.95/8,183,070.20 = 3,213,501.95/x - Step 3: Cross multiply
5,929,755.95x = 8,183,070.20 × 3,213,501.95 - Step 4: Simplify right side
5,929,755.95x = 26,296,312,011,805.29 - Step 5: Solve for x
x = 26,296,312,011,805.29/5,929,755.95 - Step 6: Final answer
x = 4,434,636.48
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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.