Finding the Fourth Proportional to 5,488,775.60, 7,574,619.92 and 3,197,083.91
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Solution
The fourth proportional to 5,488,775.60, 7,574,619.92 and 3,197,083.91 is: 4,412,039.62
Step by Step Solution
- Step 1: Write the proportion equation
5,488,775.60 : 7,574,619.92 = 3,197,083.91 : x - Step 2: Convert to fraction form
5,488,775.60/7,574,619.92 = 3,197,083.91/x - Step 3: Cross multiply
5,488,775.60x = 7,574,619.92 × 3,197,083.91 - Step 4: Simplify right side
5,488,775.60x = 24,216,695,416,738.96 - Step 5: Solve for x
x = 24,216,695,416,738.96/5,488,775.60 - Step 6: Final answer
x = 4,412,039.62
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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.