Finding the Fourth Proportional to 1,673,759.88, 2,278,887.97 and 1,668,445.47
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Solution
The fourth proportional to 1,673,759.88, 2,278,887.97 and 1,668,445.47 is: 2,271,652.20
Step by Step Solution
- Step 1: Write the proportion equation
1,673,759.88 : 2,278,887.97 = 1,668,445.47 : x - Step 2: Convert to fraction form
1,673,759.88/2,278,887.97 = 1,668,445.47/x - Step 3: Cross multiply
1,673,759.88x = 2,278,887.97 × 1,668,445.47 - Step 4: Simplify right side
1,673,759.88x = 3,802,200,302,731.85 - Step 5: Solve for x
x = 3,802,200,302,731.85/1,673,759.88 - Step 6: Final answer
x = 2,271,652.20
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.