Finding the Fourth Proportional to 3,800,673.28, 5,245,605.12 and 2,272,948.48
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Solution
The fourth proportional to 3,800,673.28, 5,245,605.12 and 2,272,948.48 is: 3,137,073.17
Step by Step Solution
- Step 1: Write the proportion equation
3,800,673.28 : 5,245,605.12 = 2,272,948.48 : x - Step 2: Convert to fraction form
3,800,673.28/5,245,605.12 = 2,272,948.48/x - Step 3: Cross multiply
3,800,673.28x = 5,245,605.12 × 2,272,948.48 - Step 4: Simplify right side
3,800,673.28x = 11,922,990,184,184.22 - Step 5: Solve for x
x = 11,922,990,184,184.22/3,800,673.28 - Step 6: Final answer
x = 3,137,073.17
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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.