Finding the Fourth Proportional to 5,898,346.98, 8,141,046.42 and 3,859,975.50
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Solution
The fourth proportional to 5,898,346.98, 8,141,046.42 and 3,859,975.50 is: 5,327,634.99
Step by Step Solution
- Step 1: Write the proportion equation
5,898,346.98 : 8,141,046.42 = 3,859,975.50 : x - Step 2: Convert to fraction form
5,898,346.98/8,141,046.42 = 3,859,975.50/x - Step 3: Cross multiply
5,898,346.98x = 8,141,046.42 × 3,859,975.50 - Step 4: Simplify right side
5,898,346.98x = 31,424,239,725,562.71 - Step 5: Solve for x
x = 31,424,239,725,562.71/5,898,346.98 - Step 6: Final answer
x = 5,327,634.99
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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.