Finding the Fourth Proportional to 2,428,138.40, 3,642,207.60 and 1,483,354.40
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Solution
The fourth proportional to 2,428,138.40, 3,642,207.60 and 1,483,354.40 is: 2,225,031.60
Step by Step Solution
- Step 1: Write the proportion equation
2,428,138.40 : 3,642,207.60 = 1,483,354.40 : x - Step 2: Convert to fraction form
2,428,138.40/3,642,207.60 = 1,483,354.40/x - Step 3: Cross multiply
2,428,138.40x = 3,642,207.60 × 1,483,354.40 - Step 4: Simplify right side
2,428,138.40x = 5,402,684,669,173.44 - Step 5: Solve for x
x = 5,402,684,669,173.44/2,428,138.40 - Step 6: Final answer
x = 2,225,031.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.