Finding the Fourth Proportional to 5,374,669.60, 8,054,029.68 and 3,947,750.56
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Solution
The fourth proportional to 5,374,669.60, 8,054,029.68 and 3,947,750.56 is: 5,915,768.33
Step by Step Solution
- Step 1: Write the proportion equation
5,374,669.60 : 8,054,029.68 = 3,947,750.56 : x - Step 2: Convert to fraction form
5,374,669.60/8,054,029.68 = 3,947,750.56/x - Step 3: Cross multiply
5,374,669.60x = 8,054,029.68 × 3,947,750.56 - Step 4: Simplify right side
5,374,669.60x = 31,795,300,179,476.62 - Step 5: Solve for x
x = 31,795,300,179,476.62/5,374,669.60 - Step 6: Final answer
x = 5,915,768.33
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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.