Finding the Fourth Proportional to 3,660,998.78, 5,052,219.42 and 2,091,338.49
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Solution
The fourth proportional to 3,660,998.78, 5,052,219.42 and 2,091,338.49 is: 2,886,070.60
Step by Step Solution
- Step 1: Write the proportion equation
3,660,998.78 : 5,052,219.42 = 2,091,338.49 : x - Step 2: Convert to fraction form
3,660,998.78/5,052,219.42 = 2,091,338.49/x - Step 3: Cross multiply
3,660,998.78x = 5,052,219.42 × 2,091,338.49 - Step 4: Simplify right side
3,660,998.78x = 10,565,900,953,877.93 - Step 5: Solve for x
x = 10,565,900,953,877.93/3,660,998.78 - Step 6: Final answer
x = 2,886,070.60
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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.