Finding the Fourth Proportional to 4,731,270.48, 6,529,147.20 and 2,555,812.80
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Solution
The fourth proportional to 4,731,270.48, 6,529,147.20 and 2,555,812.80 is: 3,527,018.39
Step by Step Solution
- Step 1: Write the proportion equation
4,731,270.48 : 6,529,147.20 = 2,555,812.80 : x - Step 2: Convert to fraction form
4,731,270.48/6,529,147.20 = 2,555,812.80/x - Step 3: Cross multiply
4,731,270.48x = 6,529,147.20 × 2,555,812.80 - Step 4: Simplify right side
4,731,270.48x = 16,687,277,986,844.16 - Step 5: Solve for x
x = 16,687,277,986,844.16/4,731,270.48 - Step 6: Final answer
x = 3,527,018.39
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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.