Finding the Fourth Proportional to 6,457,167.36, 8,911,520.80 and 4,822,738.44
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Solution
The fourth proportional to 6,457,167.36, 8,911,520.80 and 4,822,738.44 is: 6,655,849.47
Step by Step Solution
- Step 1: Write the proportion equation
6,457,167.36 : 8,911,520.80 = 4,822,738.44 : x - Step 2: Convert to fraction form
6,457,167.36/8,911,520.80 = 4,822,738.44/x - Step 3: Cross multiply
6,457,167.36x = 8,911,520.80 × 4,822,738.44 - Step 4: Simplify right side
6,457,167.36x = 42,977,933,921,019.56 - Step 5: Solve for x
x = 42,977,933,921,019.56/6,457,167.36 - Step 6: Final answer
x = 6,655,849.47
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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.