Finding the Fourth Proportional to 2,809,203.72, 3,876,026.95 and 1,706,613.09
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Solution
The fourth proportional to 2,809,203.72, 3,876,026.95 and 1,706,613.09 is: 2,354,716.49
Step by Step Solution
- Step 1: Write the proportion equation
2,809,203.72 : 3,876,026.95 = 1,706,613.09 : x - Step 2: Convert to fraction form
2,809,203.72/3,876,026.95 = 1,706,613.09/x - Step 3: Cross multiply
2,809,203.72x = 3,876,026.95 × 1,706,613.09 - Step 4: Simplify right side
2,809,203.72x = 6,614,878,330,062.78 - Step 5: Solve for x
x = 6,614,878,330,062.78/2,809,203.72 - Step 6: Final answer
x = 2,354,716.49
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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.