Finding the Fourth Proportional to 2,556,862.22, 3,529,073.73 and 1,469,764.40
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Solution
The fourth proportional to 2,556,862.22, 3,529,073.73 and 1,469,764.40 is: 2,028,621.99
Step by Step Solution
- Step 1: Write the proportion equation
2,556,862.22 : 3,529,073.73 = 1,469,764.40 : x - Step 2: Convert to fraction form
2,556,862.22/3,529,073.73 = 1,469,764.40/x - Step 3: Cross multiply
2,556,862.22x = 3,529,073.73 × 1,469,764.40 - Step 4: Simplify right side
2,556,862.22x = 5,186,906,915,683.84 - Step 5: Solve for x
x = 5,186,906,915,683.84/2,556,862.22 - Step 6: Final answer
x = 2,028,621.99
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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.