Finding the Fourth Proportional to 3,133,217.49, 4,323,452.52 and 1,909,078.26
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Solution
The fourth proportional to 3,133,217.49, 4,323,452.52 and 1,909,078.26 is: 2,634,291.82
Step by Step Solution
- Step 1: Write the proportion equation
3,133,217.49 : 4,323,452.52 = 1,909,078.26 : x - Step 2: Convert to fraction form
3,133,217.49/4,323,452.52 = 1,909,078.26/x - Step 3: Cross multiply
3,133,217.49x = 4,323,452.52 × 1,909,078.26 - Step 4: Simplify right side
3,133,217.49x = 8,253,809,214,074.22 - Step 5: Solve for x
x = 8,253,809,214,074.22/3,133,217.49 - Step 6: Final answer
x = 2,634,291.82
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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.