Finding the Fourth Proportional to 5,374,669.35, 8,054,029.30 and 3,947,750.31
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Solution
The fourth proportional to 5,374,669.35, 8,054,029.30 and 3,947,750.31 is: 5,915,767.95
Step by Step Solution
- Step 1: Write the proportion equation
5,374,669.35 : 8,054,029.30 = 3,947,750.31 : x - Step 2: Convert to fraction form
5,374,669.35/8,054,029.30 = 3,947,750.31/x - Step 3: Cross multiply
5,374,669.35x = 8,054,029.30 × 3,947,750.31 - Step 4: Simplify right side
5,374,669.35x = 31,795,296,665,824.08 - Step 5: Solve for x
x = 31,795,296,665,824.08/5,374,669.35 - Step 6: Final answer
x = 5,915,767.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.