Finding the Fourth Proportional to 4,917,902.58, 6,786,734.85 and 2,742,583.05
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Solution
The fourth proportional to 4,917,902.58, 6,786,734.85 and 2,742,583.05 is: 3,784,780.94
Step by Step Solution
- Step 1: Write the proportion equation
4,917,902.58 : 6,786,734.85 = 2,742,583.05 : x - Step 2: Convert to fraction form
4,917,902.58/6,786,734.85 = 2,742,583.05/x - Step 3: Cross multiply
4,917,902.58x = 6,786,734.85 × 2,742,583.05 - Step 4: Simplify right side
4,917,902.58x = 18,613,183,964,454.29 - Step 5: Solve for x
x = 18,613,183,964,454.29/4,917,902.58 - Step 6: Final answer
x = 3,784,780.94
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1.5x scale
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.