Finding the Fourth Proportional to 4,805,768.40, 6,631,247 and 2,918,817.52
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Solution
The fourth proportional to 4,805,768.40, 6,631,247 and 2,918,817.52 is: 4,027,534.89
Step by Step Solution
- Step 1: Write the proportion equation
4,805,768.40 : 6,631,247 = 2,918,817.52 : x - Step 2: Convert to fraction form
4,805,768.40/6,631,247 = 2,918,817.52/x - Step 3: Cross multiply
4,805,768.40x = 6,631,247 × 2,918,817.52 - Step 4: Simplify right side
4,805,768.40x = 19,355,399,923,047.44 - Step 5: Solve for x
x = 19,355,399,923,047.44/4,805,768.40 - Step 6: Final answer
x = 4,027,534.89
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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.