Finding the Fourth Proportional to 2,914,517.80, 4,371,776.70 and 2,121,365.80
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Solution
The fourth proportional to 2,914,517.80, 4,371,776.70 and 2,121,365.80 is: 3,182,048.70
Step by Step Solution
- Step 1: Write the proportion equation
2,914,517.80 : 4,371,776.70 = 2,121,365.80 : x - Step 2: Convert to fraction form
2,914,517.80/4,371,776.70 = 2,121,365.80/x - Step 3: Cross multiply
2,914,517.80x = 4,371,776.70 × 2,121,365.80 - Step 4: Simplify right side
2,914,517.80x = 9,274,137,576,616.86 - Step 5: Solve for x
x = 9,274,137,576,616.86/2,914,517.80 - Step 6: Final answer
x = 3,182,048.70
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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.