Finding the Fourth Proportional to 2,542,625.60, 3,808,408.80 and 1,543,611.20
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Solution
The fourth proportional to 2,542,625.60, 3,808,408.80 and 1,543,611.20 is: 2,312,059.82
Step by Step Solution
- Step 1: Write the proportion equation
2,542,625.60 : 3,808,408.80 = 1,543,611.20 : x - Step 2: Convert to fraction form
2,542,625.60/3,808,408.80 = 1,543,611.20/x - Step 3: Cross multiply
2,542,625.60x = 3,808,408.80 × 1,543,611.20 - Step 4: Simplify right side
2,542,625.60x = 5,878,702,477,858.56 - Step 5: Solve for x
x = 5,878,702,477,858.56/2,542,625.60 - Step 6: Final answer
x = 2,312,059.82
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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.