Finding the Fourth Proportional to 2,769,782.18, 3,822,284.79 and 1,608,513.98
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Solution
The fourth proportional to 2,769,782.18, 3,822,284.79 and 1,608,513.98 is: 2,219,740.80
Step by Step Solution
- Step 1: Write the proportion equation
2,769,782.18 : 3,822,284.79 = 1,608,513.98 : x - Step 2: Convert to fraction form
2,769,782.18/3,822,284.79 = 1,608,513.98/x - Step 3: Cross multiply
2,769,782.18x = 3,822,284.79 × 1,608,513.98 - Step 4: Simplify right side
2,769,782.18x = 6,148,198,501,144.94 - Step 5: Solve for x
x = 6,148,198,501,144.94/2,769,782.18 - Step 6: Final answer
x = 2,219,740.80
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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.