Finding the Fourth Proportional to 6,232,136.70, 9,348,205.05 and 1,972,638.30
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Solution
The fourth proportional to 6,232,136.70, 9,348,205.05 and 1,972,638.30 is: 2,958,957.45
Step by Step Solution
- Step 1: Write the proportion equation
6,232,136.70 : 9,348,205.05 = 1,972,638.30 : x - Step 2: Convert to fraction form
6,232,136.70/9,348,205.05 = 1,972,638.30/x - Step 3: Cross multiply
6,232,136.70x = 9,348,205.05 × 1,972,638.30 - Step 4: Simplify right side
6,232,136.70x = 18,440,627,317,883.42 - Step 5: Solve for x
x = 18,440,627,317,883.42/6,232,136.70 - Step 6: Final answer
x = 2,958,957.45
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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.