Finding the Fourth Proportional to 3,650,431.54, 5,037,035.88 and 2,101,393.79
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Solution
The fourth proportional to 3,650,431.54, 5,037,035.88 and 2,101,393.79 is: 2,899,601.27
Step by Step Solution
- Step 1: Write the proportion equation
3,650,431.54 : 5,037,035.88 = 2,101,393.79 : x - Step 2: Convert to fraction form
3,650,431.54/5,037,035.88 = 2,101,393.79/x - Step 3: Cross multiply
3,650,431.54x = 5,037,035.88 × 2,101,393.79 - Step 4: Simplify right side
3,650,431.54x = 10,584,795,918,239.19 - Step 5: Solve for x
x = 10,584,795,918,239.19/3,650,431.54 - Step 6: Final answer
x = 2,899,601.27
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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.