Finding the Fourth Proportional to 5,302,842.80, 7,952,812.49 and 1,463,747.46
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Solution
The fourth proportional to 5,302,842.80, 7,952,812.49 and 1,463,747.46 is: 2,195,220.47
Step by Step Solution
- Step 1: Write the proportion equation
5,302,842.80 : 7,952,812.49 = 1,463,747.46 : x - Step 2: Convert to fraction form
5,302,842.80/7,952,812.49 = 1,463,747.46/x - Step 3: Cross multiply
5,302,842.80x = 7,952,812.49 × 1,463,747.46 - Step 4: Simplify right side
5,302,842.80x = 11,640,909,047,696.52 - Step 5: Solve for x
x = 11,640,909,047,696.52/5,302,842.80 - Step 6: Final answer
x = 2,195,220.47
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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.