Finding the Fourth Proportional to 2,912,067.08, 4,368,321.76 and 992,381.64
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Solution
The fourth proportional to 2,912,067.08, 4,368,321.76 and 992,381.64 is: 1,488,647.82
Step by Step Solution
- Step 1: Write the proportion equation
2,912,067.08 : 4,368,321.76 = 992,381.64 : x - Step 2: Convert to fraction form
2,912,067.08/4,368,321.76 = 992,381.64/x - Step 3: Cross multiply
2,912,067.08x = 4,368,321.76 × 992,381.64 - Step 4: Simplify right side
2,912,067.08x = 4,335,042,312,236.49 - Step 5: Solve for x
x = 4,335,042,312,236.49/2,912,067.08 - Step 6: Final answer
x = 1,488,647.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.