Finding the Fourth Proportional to 2,992,331.79, 4,129,183.70 and 1,685,526.68
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Solution
The fourth proportional to 2,992,331.79, 4,129,183.70 and 1,685,526.68 is: 2,325,894.92
Step by Step Solution
- Step 1: Write the proportion equation
2,992,331.79 : 4,129,183.70 = 1,685,526.68 : x - Step 2: Convert to fraction form
2,992,331.79/4,129,183.70 = 1,685,526.68/x - Step 3: Cross multiply
2,992,331.79x = 4,129,183.70 × 1,685,526.68 - Step 4: Simplify right side
2,992,331.79x = 6,959,849,311,734.41 - Step 5: Solve for x
x = 6,959,849,311,734.41/2,992,331.79 - Step 6: Final answer
x = 2,325,894.92
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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.