Finding the Fourth Proportional to 2,034,601.61, 2,807,754.21 and 1,207,840.97
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Solution
The fourth proportional to 2,034,601.61, 2,807,754.21 and 1,207,840.97 is: 1,666,822.91
Step by Step Solution
- Step 1: Write the proportion equation
2,034,601.61 : 2,807,754.21 = 1,207,840.97 : x - Step 2: Convert to fraction form
2,034,601.61/2,807,754.21 = 1,207,840.97/x - Step 3: Cross multiply
2,034,601.61x = 2,807,754.21 × 1,207,840.97 - Step 4: Simplify right side
2,034,601.61x = 3,391,320,578,950.76 - Step 5: Solve for x
x = 3,391,320,578,950.76/2,034,601.61 - Step 6: Final answer
x = 1,666,822.91
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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.