Finding the Fourth Proportional to 6,480,245.80, 9,720,368.70 and 3,645,893.80
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Solution
The fourth proportional to 6,480,245.80, 9,720,368.70 and 3,645,893.80 is: 5,468,840.70
Step by Step Solution
- Step 1: Write the proportion equation
6,480,245.80 : 9,720,368.70 = 3,645,893.80 : x - Step 2: Convert to fraction form
6,480,245.80/9,720,368.70 = 3,645,893.80/x - Step 3: Cross multiply
6,480,245.80x = 9,720,368.70 × 3,645,893.80 - Step 4: Simplify right side
6,480,245.80x = 35,439,431,977,044.05 - Step 5: Solve for x
x = 35,439,431,977,044.05/6,480,245.80 - Step 6: Final answer
x = 5,468,840.70
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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.