Finding the Fourth Proportional to 5,601,342.40, 8,383,351.20 and 5,153,444.80
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Solution
The fourth proportional to 5,601,342.40, 8,383,351.20 and 5,153,444.80 is: 7,712,997.09
Step by Step Solution
- Step 1: Write the proportion equation
5,601,342.40 : 8,383,351.20 = 5,153,444.80 : x - Step 2: Convert to fraction form
5,601,342.40/8,383,351.20 = 5,153,444.80/x - Step 3: Cross multiply
5,601,342.40x = 8,383,351.20 × 5,153,444.80 - Step 4: Simplify right side
5,601,342.40x = 43,203,137,648,213.76 - Step 5: Solve for x
x = 43,203,137,648,213.76/5,601,342.40 - Step 6: Final answer
x = 7,712,997.09
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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.