Finding the Fourth Proportional to 5,562,531.20, 8,341,723.20 and 2,196,041.60
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Solution
The fourth proportional to 5,562,531.20, 8,341,723.20 and 2,196,041.60 is: 3,293,243.76
Step by Step Solution
- Step 1: Write the proportion equation
5,562,531.20 : 8,341,723.20 = 2,196,041.60 : x - Step 2: Convert to fraction form
5,562,531.20/8,341,723.20 = 2,196,041.60/x - Step 3: Cross multiply
5,562,531.20x = 8,341,723.20 × 2,196,041.60 - Step 4: Simplify right side
5,562,531.20x = 18,318,771,162,885.12 - Step 5: Solve for x
x = 18,318,771,162,885.12/5,562,531.20 - Step 6: Final answer
x = 3,293,243.76
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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.