Finding the Fourth Proportional to 3,117,459.68, 4,676,189.52 and 3,024,147.68
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Solution
The fourth proportional to 3,117,459.68, 4,676,189.52 and 3,024,147.68 is: 4,536,221.52
Step by Step Solution
- Step 1: Write the proportion equation
3,117,459.68 : 4,676,189.52 = 3,024,147.68 : x - Step 2: Convert to fraction form
3,117,459.68/4,676,189.52 = 3,024,147.68/x - Step 3: Cross multiply
3,117,459.68x = 4,676,189.52 × 3,024,147.68 - Step 4: Simplify right side
3,117,459.68x = 14,141,487,664,767.36 - Step 5: Solve for x
x = 14,141,487,664,767.36/3,117,459.68 - Step 6: Final answer
x = 4,536,221.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.