Finding the Fourth Proportional to 3,135,371.82, 4,326,795.27 and 1,739,919.48
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Solution
The fourth proportional to 3,135,371.82, 4,326,795.27 and 1,739,919.48 is: 2,401,078.98
Step by Step Solution
- Step 1: Write the proportion equation
3,135,371.82 : 4,326,795.27 = 1,739,919.48 : x - Step 2: Convert to fraction form
3,135,371.82/4,326,795.27 = 1,739,919.48/x - Step 3: Cross multiply
3,135,371.82x = 4,326,795.27 × 1,739,919.48 - Step 4: Simplify right side
3,135,371.82x = 7,528,275,376,244.86 - Step 5: Solve for x
x = 7,528,275,376,244.86/3,135,371.82 - Step 6: Final answer
x = 2,401,078.98
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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.