Finding the Fourth Proportional to 3,708,464.80, 5,554,402.80 and 3,625,520.80
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Solution
The fourth proportional to 3,708,464.80, 5,554,402.80 and 3,625,520.80 is: 5,430,172.31
Step by Step Solution
- Step 1: Write the proportion equation
3,708,464.80 : 5,554,402.80 = 3,625,520.80 : x - Step 2: Convert to fraction form
3,708,464.80/5,554,402.80 = 3,625,520.80/x - Step 3: Cross multiply
3,708,464.80x = 5,554,402.80 × 3,625,520.80 - Step 4: Simplify right side
3,708,464.80x = 20,137,602,882,978.24 - Step 5: Solve for x
x = 20,137,602,882,978.24/3,708,464.80 - Step 6: Final answer
x = 5,430,172.31
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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.