Finding the Fourth Proportional to 2,505,556.70, 3,457,677.68 and 1,359,637.14
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Solution
The fourth proportional to 2,505,556.70, 3,457,677.68 and 1,359,637.14 is: 1,876,304.37
Step by Step Solution
- Step 1: Write the proportion equation
2,505,556.70 : 3,457,677.68 = 1,359,637.14 : x - Step 2: Convert to fraction form
2,505,556.70/3,457,677.68 = 1,359,637.14/x - Step 3: Cross multiply
2,505,556.70x = 3,457,677.68 × 1,359,637.14 - Step 4: Simplify right side
2,505,556.70x = 4,701,186,991,877.04 - Step 5: Solve for x
x = 4,701,186,991,877.04/2,505,556.70 - Step 6: Final answer
x = 1,876,304.37
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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.