Finding the Fourth Proportional to 2,306,958.15, 3,183,587.11 and 1,274,532.51
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Solution
The fourth proportional to 2,306,958.15, 3,183,587.11 and 1,274,532.51 is: 1,758,846.51
Step by Step Solution
- Step 1: Write the proportion equation
2,306,958.15 : 3,183,587.11 = 1,274,532.51 : x - Step 2: Convert to fraction form
2,306,958.15/3,183,587.11 = 1,274,532.51/x - Step 3: Cross multiply
2,306,958.15x = 3,183,587.11 × 1,274,532.51 - Step 4: Simplify right side
2,306,958.15x = 4,057,585,280,060.81 - Step 5: Solve for x
x = 4,057,585,280,060.81/2,306,958.15 - Step 6: Final answer
x = 1,758,846.51
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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.