Finding the Fourth Proportional to 1,548,553.20, 2,137,344.96 and 860,461.48
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Solution
The fourth proportional to 1,548,553.20, 2,137,344.96 and 860,461.48 is: 1,187,626.62
Step by Step Solution
- Step 1: Write the proportion equation
1,548,553.20 : 2,137,344.96 = 860,461.48 : x - Step 2: Convert to fraction form
1,548,553.20/2,137,344.96 = 860,461.48/x - Step 3: Cross multiply
1,548,553.20x = 2,137,344.96 × 860,461.48 - Step 4: Simplify right side
1,548,553.20x = 1,839,103,007,552.14 - Step 5: Solve for x
x = 1,839,103,007,552.14/1,548,553.20 - Step 6: Final answer
x = 1,187,626.62
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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.