Finding the Fourth Proportional to 5,430,659.99, 8,149,353.86 and 3,157,254.35
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Solution
The fourth proportional to 5,430,659.99, 8,149,353.86 and 3,157,254.35 is: 4,737,837.20
Step by Step Solution
- Step 1: Write the proportion equation
5,430,659.99 : 8,149,353.86 = 3,157,254.35 : x - Step 2: Convert to fraction form
5,430,659.99/8,149,353.86 = 3,157,254.35/x - Step 3: Cross multiply
5,430,659.99x = 8,149,353.86 × 3,157,254.35 - Step 4: Simplify right side
5,430,659.99x = 25,729,582,904,121.18 - Step 5: Solve for x
x = 25,729,582,904,121.18/5,430,659.99 - Step 6: Final answer
x = 4,737,837.20
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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.