Finding the Fourth Proportional to 5,277,478.70, 7,916,972.70 and 1,683,286.49
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Solution
The fourth proportional to 5,277,478.70, 7,916,972.70 and 1,683,286.49 is: 2,525,170.44
Step by Step Solution
- Step 1: Write the proportion equation
5,277,478.70 : 7,916,972.70 = 1,683,286.49 : x - Step 2: Convert to fraction form
5,277,478.70/7,916,972.70 = 1,683,286.49/x - Step 3: Cross multiply
5,277,478.70x = 7,916,972.70 × 1,683,286.49 - Step 4: Simplify right side
5,277,478.70x = 13,326,533,187,608.82 - Step 5: Solve for x
x = 13,326,533,187,608.82/5,277,478.70 - Step 6: Final answer
x = 2,525,170.44
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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.