Finding the Fourth Proportional to 5,460,353.07, 7,538,015.24 and 3,396,034.05
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Solution
The fourth proportional to 5,460,353.07, 7,538,015.24 and 3,396,034.05 is: 4,688,223.65
Step by Step Solution
- Step 1: Write the proportion equation
5,460,353.07 : 7,538,015.24 = 3,396,034.05 : x - Step 2: Convert to fraction form
5,460,353.07/7,538,015.24 = 3,396,034.05/x - Step 3: Cross multiply
5,460,353.07x = 7,538,015.24 × 3,396,034.05 - Step 4: Simplify right side
5,460,353.07x = 25,599,356,407,478.75 - Step 5: Solve for x
x = 25,599,356,407,478.75/5,460,353.07 - Step 6: Final answer
x = 4,688,223.65
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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.