Finding the Fourth Proportional to 5,507,321.40, 8,257,774.44 and 2,137,591.80
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Solution
The fourth proportional to 5,507,321.40, 8,257,774.44 and 2,137,591.80 is: 3,205,142.69
Step by Step Solution
- Step 1: Write the proportion equation
5,507,321.40 : 8,257,774.44 = 2,137,591.80 : x - Step 2: Convert to fraction form
5,507,321.40/8,257,774.44 = 2,137,591.80/x - Step 3: Cross multiply
5,507,321.40x = 8,257,774.44 × 2,137,591.80 - Step 4: Simplify right side
5,507,321.40x = 17,651,750,929,193.59 - Step 5: Solve for x
x = 17,651,750,929,193.59/5,507,321.40 - Step 6: Final answer
x = 3,205,142.69
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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.