Finding the Fourth Proportional to 2,232,128.40, 3,348,970.20 and 970,861.20
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Solution
The fourth proportional to 2,232,128.40, 3,348,970.20 and 970,861.20 is: 1,456,630.02
Step by Step Solution
- Step 1: Write the proportion equation
2,232,128.40 : 3,348,970.20 = 970,861.20 : x - Step 2: Convert to fraction form
2,232,128.40/3,348,970.20 = 970,861.20/x - Step 3: Cross multiply
2,232,128.40x = 3,348,970.20 × 970,861.20 - Step 4: Simplify right side
2,232,128.40x = 3,251,385,227,136.24 - Step 5: Solve for x
x = 3,251,385,227,136.24/2,232,128.40 - Step 6: Final answer
x = 1,456,630.02
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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.