Finding the Fourth Proportional to 3,623,336.53, 5,000,266.53 and 1,991,812.66
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Solution
The fourth proportional to 3,623,336.53, 5,000,266.53 and 1,991,812.66 is: 2,748,735.62
Step by Step Solution
- Step 1: Write the proportion equation
3,623,336.53 : 5,000,266.53 = 1,991,812.66 : x - Step 2: Convert to fraction form
3,623,336.53/5,000,266.53 = 1,991,812.66/x - Step 3: Cross multiply
3,623,336.53x = 5,000,266.53 × 1,991,812.66 - Step 4: Simplify right side
3,623,336.53x = 9,959,594,165,327.60 - Step 5: Solve for x
x = 9,959,594,165,327.60/3,623,336.53 - Step 6: Final answer
x = 2,748,735.62
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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.