Finding the Fourth Proportional to 5,728,595.25, 7,905,220.79 and 3,247,982.81
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Solution
The fourth proportional to 5,728,595.25, 7,905,220.79 and 3,247,982.81 is: 4,482,079.82
Step by Step Solution
- Step 1: Write the proportion equation
5,728,595.25 : 7,905,220.79 = 3,247,982.81 : x - Step 2: Convert to fraction form
5,728,595.25/7,905,220.79 = 3,247,982.81/x - Step 3: Cross multiply
5,728,595.25x = 7,905,220.79 × 3,247,982.81 - Step 4: Simplify right side
5,728,595.25x = 25,676,021,179,408.61 - Step 5: Solve for x
x = 25,676,021,179,408.61/5,728,595.25 - Step 6: Final answer
x = 4,482,079.82
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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.