Finding the Fourth Proportional to 2,821,342.40, 4,230,173.28 and 1,023,885.44
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Solution
The fourth proportional to 2,821,342.40, 4,230,173.28 and 1,023,885.44 is: 1,535,160.29
Step by Step Solution
- Step 1: Write the proportion equation
2,821,342.40 : 4,230,173.28 = 1,023,885.44 : x - Step 2: Convert to fraction form
2,821,342.40/4,230,173.28 = 1,023,885.44/x - Step 3: Cross multiply
2,821,342.40x = 4,230,173.28 × 1,023,885.44 - Step 4: Simplify right side
2,821,342.40x = 4,331,212,830,069.04 - Step 5: Solve for x
x = 4,331,212,830,069.04/2,821,342.40 - Step 6: Final answer
x = 1,535,160.29
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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.