Finding the Fourth Proportional to 5,285,322.79, 7,294,350.49 and 2,962,842.57
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Solution
The fourth proportional to 5,285,322.79, 7,294,350.49 and 2,962,842.57 is: 4,089,061.92
Step by Step Solution
- Step 1: Write the proportion equation
5,285,322.79 : 7,294,350.49 = 2,962,842.57 : x - Step 2: Convert to fraction form
5,285,322.79/7,294,350.49 = 2,962,842.57/x - Step 3: Cross multiply
5,285,322.79x = 7,294,350.49 × 2,962,842.57 - Step 4: Simplify right side
5,285,322.79x = 21,612,012,144,865.25 - Step 5: Solve for x
x = 21,612,012,144,865.25/5,285,322.79 - Step 6: Final answer
x = 4,089,061.92
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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.