Finding the Fourth Proportional to 3,246,107.10, 4,869,160.65 and 3,122,104.20
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Solution
The fourth proportional to 3,246,107.10, 4,869,160.65 and 3,122,104.20 is: 4,683,156.30
Step by Step Solution
- Step 1: Write the proportion equation
3,246,107.10 : 4,869,160.65 = 3,122,104.20 : x - Step 2: Convert to fraction form
3,246,107.10/4,869,160.65 = 3,122,104.20/x - Step 3: Cross multiply
3,246,107.10x = 4,869,160.65 × 3,122,104.20 - Step 4: Simplify right side
3,246,107.10x = 15,202,026,915,839.73 - Step 5: Solve for x
x = 15,202,026,915,839.73/3,246,107.10 - Step 6: Final answer
x = 4,683,156.30
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Double scale
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Similar ratio
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1.5x scale
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.