Finding the Fourth Proportional to 2,556,460.08, 3,529,193.20 and 1,589,901.80
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Solution
The fourth proportional to 2,556,460.08, 3,529,193.20 and 1,589,901.80 is: 2,194,859.47
Step by Step Solution
- Step 1: Write the proportion equation
2,556,460.08 : 3,529,193.20 = 1,589,901.80 : x - Step 2: Convert to fraction form
2,556,460.08/3,529,193.20 = 1,589,901.80/x - Step 3: Cross multiply
2,556,460.08x = 3,529,193.20 × 1,589,901.80 - Step 4: Simplify right side
2,556,460.08x = 5,611,070,621,227.76 - Step 5: Solve for x
x = 5,611,070,621,227.76/2,556,460.08 - Step 6: Final answer
x = 2,194,859.47
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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.