Finding the Fourth Proportional to 3,162,616.20, 4,364,357.16 and 1,712,299.92
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Solution
The fourth proportional to 3,162,616.20, 4,364,357.16 and 1,712,299.92 is: 2,362,945.09
Step by Step Solution
- Step 1: Write the proportion equation
3,162,616.20 : 4,364,357.16 = 1,712,299.92 : x - Step 2: Convert to fraction form
3,162,616.20/4,364,357.16 = 1,712,299.92/x - Step 3: Cross multiply
3,162,616.20x = 4,364,357.16 × 1,712,299.92 - Step 4: Simplify right side
3,162,616.20x = 7,473,088,415,919.43 - Step 5: Solve for x
x = 7,473,088,415,919.43/3,162,616.20 - Step 6: Final answer
x = 2,362,945.09
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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.