Finding the Fourth Proportional to 1,608,908.84, 2,218,474.68 and 1,027,367.32
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Solution
The fourth proportional to 1,608,908.84, 2,218,474.68 and 1,027,367.32 is: 1,416,605.05
Step by Step Solution
- Step 1: Write the proportion equation
1,608,908.84 : 2,218,474.68 = 1,027,367.32 : x - Step 2: Convert to fraction form
1,608,908.84/2,218,474.68 = 1,027,367.32/x - Step 3: Cross multiply
1,608,908.84x = 2,218,474.68 × 1,027,367.32 - Step 4: Simplify right side
1,608,908.84x = 2,279,188,386,479.46 - Step 5: Solve for x
x = 2,279,188,386,479.46/1,608,908.84 - Step 6: Final answer
x = 1,416,605.05
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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.