Finding the Fourth Proportional to 2,381,382.15, 3,286,182.99 and 1,293,650.29
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Solution
The fourth proportional to 2,381,382.15, 3,286,182.99 and 1,293,650.29 is: 1,785,169.83
Step by Step Solution
- Step 1: Write the proportion equation
2,381,382.15 : 3,286,182.99 = 1,293,650.29 : x - Step 2: Convert to fraction form
2,381,382.15/3,286,182.99 = 1,293,650.29/x - Step 3: Cross multiply
2,381,382.15x = 3,286,182.99 × 1,293,650.29 - Step 4: Simplify right side
2,381,382.15x = 4,251,171,578,006.57 - Step 5: Solve for x
x = 4,251,171,578,006.57/2,381,382.15 - Step 6: Final answer
x = 1,785,169.83
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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.