Finding the Fourth Proportional to 3,646,749.60, 5,479,455.60 and 3,236,176.80
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Solution
The fourth proportional to 3,646,749.60, 5,479,455.60 and 3,236,176.80 is: 4,862,545.84
Step by Step Solution
- Step 1: Write the proportion equation
3,646,749.60 : 5,479,455.60 = 3,236,176.80 : x - Step 2: Convert to fraction form
3,646,749.60/5,479,455.60 = 3,236,176.80/x - Step 3: Cross multiply
3,646,749.60x = 5,479,455.60 × 3,236,176.80 - Step 4: Simplify right side
3,646,749.60x = 17,732,487,089,350.08 - Step 5: Solve for x
x = 17,732,487,089,350.08/3,646,749.60 - Step 6: Final answer
x = 4,862,545.84
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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.