Finding the Fourth Proportional to 5,736,135.73, 7,915,624.80 and 3,122,585.47
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Solution
The fourth proportional to 5,736,135.73, 7,915,624.80 and 3,122,585.47 is: 4,309,035.94
Step by Step Solution
- Step 1: Write the proportion equation
5,736,135.73 : 7,915,624.80 = 3,122,585.47 : x - Step 2: Convert to fraction form
5,736,135.73/7,915,624.80 = 3,122,585.47/x - Step 3: Cross multiply
5,736,135.73x = 7,915,624.80 × 3,122,585.47 - Step 4: Simplify right side
5,736,135.73x = 24,717,215,017,950.41 - Step 5: Solve for x
x = 24,717,215,017,950.41/5,736,135.73 - Step 6: Final answer
x = 4,309,035.94
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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.