Finding the Fourth Proportional to 2,407,293.84, 3,321,942.12 and 1,388,637.84
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Solution
The fourth proportional to 2,407,293.84, 3,321,942.12 and 1,388,637.84 is: 1,916,249.05
Step by Step Solution
- Step 1: Write the proportion equation
2,407,293.84 : 3,321,942.12 = 1,388,637.84 : x - Step 2: Convert to fraction form
2,407,293.84/3,321,942.12 = 1,388,637.84/x - Step 3: Cross multiply
2,407,293.84x = 3,321,942.12 × 1,388,637.84 - Step 4: Simplify right side
2,407,293.84x = 4,612,974,530,121.82 - Step 5: Solve for x
x = 4,612,974,530,121.82/2,407,293.84 - Step 6: Final answer
x = 1,916,249.05
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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.