Finding the Fourth Proportional to 4,872,274.69, 6,723,035.21 and 2,696,812.62
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Solution
The fourth proportional to 4,872,274.69, 6,723,035.21 and 2,696,812.62 is: 3,721,211.83
Step by Step Solution
- Step 1: Write the proportion equation
4,872,274.69 : 6,723,035.21 = 2,696,812.62 : x - Step 2: Convert to fraction form
4,872,274.69/6,723,035.21 = 2,696,812.62/x - Step 3: Cross multiply
4,872,274.69x = 6,723,035.21 × 2,696,812.62 - Step 4: Simplify right side
4,872,274.69x = 18,130,766,199,032.35 - Step 5: Solve for x
x = 18,130,766,199,032.35/4,872,274.69 - Step 6: Final answer
x = 3,721,211.83
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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.