Finding the Fourth Proportional to 3,471,285.81, 5,185,819.30 and 2,246,888.40
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Solution
The fourth proportional to 3,471,285.81, 5,185,819.30 and 2,246,888.40 is: 3,356,668.92
Step by Step Solution
- Step 1: Write the proportion equation
3,471,285.81 : 5,185,819.30 = 2,246,888.40 : x - Step 2: Convert to fraction form
3,471,285.81/5,185,819.30 = 2,246,888.40/x - Step 3: Cross multiply
3,471,285.81x = 5,185,819.30 × 2,246,888.40 - Step 4: Simplify right side
3,471,285.81x = 11,651,957,192,502.58 - Step 5: Solve for x
x = 11,651,957,192,502.58/3,471,285.81 - Step 6: Final answer
x = 3,356,668.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.