Finding the Fourth Proportional to 4,518,956.16, 6,778,489.32 and 1,324,146.96
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Solution
The fourth proportional to 4,518,956.16, 6,778,489.32 and 1,324,146.96 is: 1,986,236.58
Step by Step Solution
- Step 1: Write the proportion equation
4,518,956.16 : 6,778,489.32 = 1,324,146.96 : x - Step 2: Convert to fraction form
4,518,956.16/6,778,489.32 = 1,324,146.96/x - Step 3: Cross multiply
4,518,956.16x = 6,778,489.32 × 1,324,146.96 - Step 4: Simplify right side
4,518,956.16x = 8,975,716,026,470.47 - Step 5: Solve for x
x = 8,975,716,026,470.47/4,518,956.16 - Step 6: Final answer
x = 1,986,236.58
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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.