Finding the Fourth Proportional to 2,503,221.87, 3,454,514.12 and 1,415,656.09
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Solution
The fourth proportional to 2,503,221.87, 3,454,514.12 and 1,415,656.09 is: 1,953,643.82
Step by Step Solution
- Step 1: Write the proportion equation
2,503,221.87 : 3,454,514.12 = 1,415,656.09 : x - Step 2: Convert to fraction form
2,503,221.87/3,454,514.12 = 1,415,656.09/x - Step 3: Cross multiply
2,503,221.87x = 3,454,514.12 × 1,415,656.09 - Step 4: Simplify right side
2,503,221.87x = 4,890,403,940,394.63 - Step 5: Solve for x
x = 4,890,403,940,394.63/2,503,221.87 - Step 6: Final answer
x = 1,953,643.82
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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.