Finding the Fourth Proportional to 5,947,438.37, 8,207,871.05 and 3,369,140.33
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Solution
The fourth proportional to 5,947,438.37, 8,207,871.05 and 3,369,140.33 is: 4,649,643.70
Step by Step Solution
- Step 1: Write the proportion equation
5,947,438.37 : 8,207,871.05 = 3,369,140.33 : x - Step 2: Convert to fraction form
5,947,438.37/8,207,871.05 = 3,369,140.33/x - Step 3: Cross multiply
5,947,438.37x = 8,207,871.05 × 3,369,140.33 - Step 4: Simplify right side
5,947,438.37x = 27,653,469,326,426.53 - Step 5: Solve for x
x = 27,653,469,326,426.53/5,947,438.37 - Step 6: Final answer
x = 4,649,643.70
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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.