Finding the Fourth Proportional to 5,756,408.40, 8,623,240.20 and 2,918,557.20
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Solution
The fourth proportional to 5,756,408.40, 8,623,240.20 and 2,918,557.20 is: 4,372,069.88
Step by Step Solution
- Step 1: Write the proportion equation
5,756,408.40 : 8,623,240.20 = 2,918,557.20 : x - Step 2: Convert to fraction form
5,756,408.40/8,623,240.20 = 2,918,557.20/x - Step 3: Cross multiply
5,756,408.40x = 8,623,240.20 × 2,918,557.20 - Step 4: Simplify right side
5,756,408.40x = 25,167,419,773,039.44 - Step 5: Solve for x
x = 25,167,419,773,039.44/5,756,408.40 - Step 6: Final answer
x = 4,372,069.88
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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.