Finding the Fourth Proportional to 3,136,122.74, 4,703,622.96 and 830,631.62
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Solution
The fourth proportional to 3,136,122.74, 4,703,622.96 and 830,631.62 is: 1,245,798.80
Step by Step Solution
- Step 1: Write the proportion equation
3,136,122.74 : 4,703,622.96 = 830,631.62 : x - Step 2: Convert to fraction form
3,136,122.74/4,703,622.96 = 830,631.62/x - Step 3: Cross multiply
3,136,122.74x = 4,703,622.96 × 830,631.62 - Step 4: Simplify right side
3,136,122.74x = 3,906,977,959,134.00 - Step 5: Solve for x
x = 3,906,977,959,134.00/3,136,122.74 - Step 6: Final answer
x = 1,245,798.80
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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.