Finding the Fourth Proportional to 2,649,615.39, 3,974,524.35 and 828,148.05
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Solution
The fourth proportional to 2,649,615.39, 3,974,524.35 and 828,148.05 is: 1,242,253.73
Step by Step Solution
- Step 1: Write the proportion equation
2,649,615.39 : 3,974,524.35 = 828,148.05 : x - Step 2: Convert to fraction form
2,649,615.39/3,974,524.35 = 828,148.05/x - Step 3: Cross multiply
2,649,615.39x = 3,974,524.35 × 828,148.05 - Step 4: Simplify right side
2,649,615.39x = 3,291,494,590,130.02 - Step 5: Solve for x
x = 3,291,494,590,130.02/2,649,615.39 - Step 6: Final answer
x = 1,242,253.73
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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.