Finding the Fourth Proportional to 3,686,136.90, 5,529,205.35 and 2,091,813.90
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Solution
The fourth proportional to 3,686,136.90, 5,529,205.35 and 2,091,813.90 is: 3,137,720.85
Step by Step Solution
- Step 1: Write the proportion equation
3,686,136.90 : 5,529,205.35 = 2,091,813.90 : x - Step 2: Convert to fraction form
3,686,136.90/5,529,205.35 = 2,091,813.90/x - Step 3: Cross multiply
3,686,136.90x = 5,529,205.35 × 2,091,813.90 - Step 4: Simplify right side
3,686,136.90x = 11,566,068,607,084.36 - Step 5: Solve for x
x = 11,566,068,607,084.36/3,686,136.90 - Step 6: Final answer
x = 3,137,720.85
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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.