Finding the Fourth Proportional to 5,064,609.62, 6,989,826.86 and 2,888,653.97
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Solution
The fourth proportional to 5,064,609.62, 6,989,826.86 and 2,888,653.97 is: 3,986,722.10
Step by Step Solution
- Step 1: Write the proportion equation
5,064,609.62 : 6,989,826.86 = 2,888,653.97 : x - Step 2: Convert to fraction form
5,064,609.62/6,989,826.86 = 2,888,653.97/x - Step 3: Cross multiply
5,064,609.62x = 6,989,826.86 × 2,888,653.97 - Step 4: Simplify right side
5,064,609.62x = 20,191,191,059,359.23 - Step 5: Solve for x
x = 20,191,191,059,359.23/5,064,609.62 - Step 6: Final answer
x = 3,986,722.10
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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.