Finding the Fourth Proportional to 2,055,519.99, 2,836,556.01 and 1,137,786.75
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Solution
The fourth proportional to 2,055,519.99, 2,836,556.01 and 1,137,786.75 is: 1,570,111.63
Step by Step Solution
- Step 1: Write the proportion equation
2,055,519.99 : 2,836,556.01 = 1,137,786.75 : x - Step 2: Convert to fraction form
2,055,519.99/2,836,556.01 = 1,137,786.75/x - Step 3: Cross multiply
2,055,519.99x = 2,836,556.01 × 1,137,786.75 - Step 4: Simplify right side
2,055,519.99x = 3,227,395,843,810.87 - Step 5: Solve for x
x = 3,227,395,843,810.87/2,055,519.99 - Step 6: Final answer
x = 1,570,111.63
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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.