Finding the Fourth Proportional to 2,849,691.07, 3,932,526.11 and 1,542,932.45
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Solution
The fourth proportional to 2,849,691.07, 3,932,526.11 and 1,542,932.45 is: 2,129,221.02
Step by Step Solution
- Step 1: Write the proportion equation
2,849,691.07 : 3,932,526.11 = 1,542,932.45 : x - Step 2: Convert to fraction form
2,849,691.07/3,932,526.11 = 1,542,932.45/x - Step 3: Cross multiply
2,849,691.07x = 3,932,526.11 × 1,542,932.45 - Step 4: Simplify right side
2,849,691.07x = 6,067,622,132,960.95 - Step 5: Solve for x
x = 6,067,622,132,960.95/2,849,691.07 - Step 6: Final answer
x = 2,129,221.02
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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.