Finding the Fourth Proportional to 2,288,170.52, 3,157,181.96 and 1,320,740.26
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Solution
The fourth proportional to 2,288,170.52, 3,157,181.96 and 1,320,740.26 is: 1,822,336.79
Step by Step Solution
- Step 1: Write the proportion equation
2,288,170.52 : 3,157,181.96 = 1,320,740.26 : x - Step 2: Convert to fraction form
2,288,170.52/3,157,181.96 = 1,320,740.26/x - Step 3: Cross multiply
2,288,170.52x = 3,157,181.96 × 1,320,740.26 - Step 4: Simplify right side
2,288,170.52x = 4,169,817,322,717.71 - Step 5: Solve for x
x = 4,169,817,322,717.71/2,288,170.52 - Step 6: Final answer
x = 1,822,336.79
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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.