Finding the Fourth Proportional to 3,906,153.60, 5,388,106.68 and 2,581,575.18
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Solution
The fourth proportional to 3,906,153.60, 5,388,106.68 and 2,581,575.18 is: 3,560,997.31
Step by Step Solution
- Step 1: Write the proportion equation
3,906,153.60 : 5,388,106.68 = 2,581,575.18 : x - Step 2: Convert to fraction form
3,906,153.60/5,388,106.68 = 2,581,575.18/x - Step 3: Cross multiply
3,906,153.60x = 5,388,106.68 × 2,581,575.18 - Step 4: Simplify right side
3,906,153.60x = 13,909,802,472,280.20 - Step 5: Solve for x
x = 13,909,802,472,280.20/3,906,153.60 - Step 6: Final answer
x = 3,560,997.31
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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.