Finding the Fourth Proportional to 5,415,053.80, 8,122,580.70 and 2,222,471.20
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Solution
The fourth proportional to 5,415,053.80, 8,122,580.70 and 2,222,471.20 is: 3,333,706.80
Step by Step Solution
- Step 1: Write the proportion equation
5,415,053.80 : 8,122,580.70 = 2,222,471.20 : x - Step 2: Convert to fraction form
5,415,053.80/8,122,580.70 = 2,222,471.20/x - Step 3: Cross multiply
5,415,053.80x = 8,122,580.70 × 2,222,471.20 - Step 4: Simplify right side
5,415,053.80x = 18,052,201,675,425.84 - Step 5: Solve for x
x = 18,052,201,675,425.84/5,415,053.80 - Step 6: Final answer
x = 3,333,706.80
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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.