Finding the Fourth Proportional to 5,686,990.92, 8,530,486.41 and 1,900,473.80
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Solution
The fourth proportional to 5,686,990.92, 8,530,486.41 and 1,900,473.80 is: 2,850,710.71
Step by Step Solution
- Step 1: Write the proportion equation
5,686,990.92 : 8,530,486.41 = 1,900,473.80 : x - Step 2: Convert to fraction form
5,686,990.92/8,530,486.41 = 1,900,473.80/x - Step 3: Cross multiply
5,686,990.92x = 8,530,486.41 × 1,900,473.80 - Step 4: Simplify right side
5,686,990.92x = 16,211,965,923,461.06 - Step 5: Solve for x
x = 16,211,965,923,461.06/5,686,990.92 - Step 6: Final answer
x = 2,850,710.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.