Finding the Fourth Proportional to 1,815,987.70, 2,504,862.84 and 1,135,743.22
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Solution
The fourth proportional to 1,815,987.70, 2,504,862.84 and 1,135,743.22 is: 1,566,575.03
Step by Step Solution
- Step 1: Write the proportion equation
1,815,987.70 : 2,504,862.84 = 1,135,743.22 : x - Step 2: Convert to fraction form
1,815,987.70/2,504,862.84 = 1,135,743.22/x - Step 3: Cross multiply
1,815,987.70x = 2,504,862.84 × 1,135,743.22 - Step 4: Simplify right side
1,815,987.70x = 2,844,880,987,559.94 - Step 5: Solve for x
x = 2,844,880,987,559.94/1,815,987.70 - Step 6: Final answer
x = 1,566,575.03
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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.