Finding the Fourth Proportional to 1,392,342.48, 1,921,260.60 and 848,280.84
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Solution
The fourth proportional to 1,392,342.48, 1,921,260.60 and 848,280.84 is: 1,170,522.76
Step by Step Solution
- Step 1: Write the proportion equation
1,392,342.48 : 1,921,260.60 = 848,280.84 : x - Step 2: Convert to fraction form
1,392,342.48/1,921,260.60 = 848,280.84/x - Step 3: Cross multiply
1,392,342.48x = 1,921,260.60 × 848,280.84 - Step 4: Simplify right side
1,392,342.48x = 1,629,768,555,626.90 - Step 5: Solve for x
x = 1,629,768,555,626.90/1,392,342.48 - Step 6: Final answer
x = 1,170,522.76
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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.