Finding the Fourth Proportional to 2,556,418.32, 3,529,135.68 and 1,589,860.00
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Solution
The fourth proportional to 2,556,418.32, 3,529,135.68 and 1,589,860.00 is: 2,194,801.85
Step by Step Solution
- Step 1: Write the proportion equation
2,556,418.32 : 3,529,135.68 = 1,589,860.00 : x - Step 2: Convert to fraction form
2,556,418.32/3,529,135.68 = 1,589,860.00/x - Step 3: Cross multiply
2,556,418.32x = 3,529,135.68 × 1,589,860.00 - Step 4: Simplify right side
2,556,418.32x = 5,610,831,650,654.24 - Step 5: Solve for x
x = 5,610,831,650,654.24/2,556,418.32 - Step 6: Final answer
x = 2,194,801.85
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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.