Finding the Fourth Proportional to 1,718,625.60, 2,372,781.60 and 1,556,884.80
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Solution
The fourth proportional to 1,718,625.60, 2,372,781.60 and 1,556,884.80 is: 2,149,477.82
Step by Step Solution
- Step 1: Write the proportion equation
1,718,625.60 : 2,372,781.60 = 1,556,884.80 : x - Step 2: Convert to fraction form
1,718,625.60/2,372,781.60 = 1,556,884.80/x - Step 3: Cross multiply
1,718,625.60x = 2,372,781.60 × 1,556,884.80 - Step 4: Simplify right side
1,718,625.60x = 3,694,147,606,759.68 - Step 5: Solve for x
x = 3,694,147,606,759.68/1,718,625.60 - Step 6: Final answer
x = 2,149,477.82
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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.