Finding the Fourth Proportional to 3,755,459.68, 5,182,443.12 and 2,145,724
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Solution
The fourth proportional to 3,755,459.68, 5,182,443.12 and 2,145,724 is: 2,961,046.99
Step by Step Solution
- Step 1: Write the proportion equation
3,755,459.68 : 5,182,443.12 = 2,145,724 : x - Step 2: Convert to fraction form
3,755,459.68/5,182,443.12 = 2,145,724/x - Step 3: Cross multiply
3,755,459.68x = 5,182,443.12 × 2,145,724 - Step 4: Simplify right side
3,755,459.68x = 11,120,092,581,218.88 - Step 5: Solve for x
x = 11,120,092,581,218.88/3,755,459.68 - Step 6: Final answer
x = 2,961,046.99
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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.