Finding the Fourth Proportional to 4,989,676, 6,884,451.64 and 2,923,581.52
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Solution
The fourth proportional to 4,989,676, 6,884,451.64 and 2,923,581.52 is: 4,033,780.07
Step by Step Solution
- Step 1: Write the proportion equation
4,989,676 : 6,884,451.64 = 2,923,581.52 : x - Step 2: Convert to fraction form
4,989,676/6,884,451.64 = 2,923,581.52/x - Step 3: Cross multiply
4,989,676x = 6,884,451.64 × 2,923,581.52 - Step 4: Simplify right side
4,989,676x = 20,127,255,590,037.69 - Step 5: Solve for x
x = 20,127,255,590,037.69/4,989,676 - Step 6: Final answer
x = 4,033,780.07
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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.