Finding the Fourth Proportional to 2,876,670.88, 3,971,298.44 and 2,101,431.32
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Solution
The fourth proportional to 2,876,670.88, 3,971,298.44 and 2,101,431.32 is: 2,901,065.60
Step by Step Solution
- Step 1: Write the proportion equation
2,876,670.88 : 3,971,298.44 = 2,101,431.32 : x - Step 2: Convert to fraction form
2,876,670.88/3,971,298.44 = 2,101,431.32/x - Step 3: Cross multiply
2,876,670.88x = 3,971,298.44 × 2,101,431.32 - Step 4: Simplify right side
2,876,670.88x = 8,345,410,922,883.14 - Step 5: Solve for x
x = 8,345,410,922,883.14/2,876,670.88 - Step 6: Final answer
x = 2,901,065.60
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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.