Finding the Fourth Proportional to 5,717,580.71, 8,557,941.94 and 3,154,766.63
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Solution
The fourth proportional to 5,717,580.71, 8,557,941.94 and 3,154,766.63 is: 4,721,981.38
Step by Step Solution
- Step 1: Write the proportion equation
5,717,580.71 : 8,557,941.94 = 3,154,766.63 : x - Step 2: Convert to fraction form
5,717,580.71/8,557,941.94 = 3,154,766.63/x - Step 3: Cross multiply
5,717,580.71x = 8,557,941.94 × 3,154,766.63 - Step 4: Simplify right side
5,717,580.71x = 26,998,309,603,112.84 - Step 5: Solve for x
x = 26,998,309,603,112.84/5,717,580.71 - Step 6: Final answer
x = 4,721,981.38
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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.