Finding the Fourth Proportional to 3,800,929.32, 5,245,367.18 and 2,169,303.96
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Solution
The fourth proportional to 3,800,929.32, 5,245,367.18 and 2,169,303.96 is: 2,993,687.82
Step by Step Solution
- Step 1: Write the proportion equation
3,800,929.32 : 5,245,367.18 = 2,169,303.96 : x - Step 2: Convert to fraction form
3,800,929.32/5,245,367.18 = 2,169,303.96/x - Step 3: Cross multiply
3,800,929.32x = 5,245,367.18 × 2,169,303.96 - Step 4: Simplify right side
3,800,929.32x = 11,378,795,795,228.03 - Step 5: Solve for x
x = 11,378,795,795,228.03/3,800,929.32 - Step 6: Final answer
x = 2,993,687.82
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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.