Finding the Fourth Proportional to 5,118,483.96, 7,063,451.10 and 2,826,598.68
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Solution
The fourth proportional to 5,118,483.96, 7,063,451.10 and 2,826,598.68 is: 3,900,674.83
Step by Step Solution
- Step 1: Write the proportion equation
5,118,483.96 : 7,063,451.10 = 2,826,598.68 : x - Step 2: Convert to fraction form
5,118,483.96/7,063,451.10 = 2,826,598.68/x - Step 3: Cross multiply
5,118,483.96x = 7,063,451.10 × 2,826,598.68 - Step 4: Simplify right side
5,118,483.96x = 19,965,541,555,504.55 - Step 5: Solve for x
x = 19,965,541,555,504.55/5,118,483.96 - Step 6: Final answer
x = 3,900,674.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.