Finding the Fourth Proportional to 5,053,746.60, 6,972,183.54 and 3,116,647.80
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Solution
The fourth proportional to 5,053,746.60, 6,972,183.54 and 3,116,647.80 is: 4,299,748.72
Step by Step Solution
- Step 1: Write the proportion equation
5,053,746.60 : 6,972,183.54 = 3,116,647.80 : x - Step 2: Convert to fraction form
5,053,746.60/6,972,183.54 = 3,116,647.80/x - Step 3: Cross multiply
5,053,746.60x = 6,972,183.54 × 3,116,647.80 - Step 4: Simplify right side
5,053,746.60x = 21,729,840,491,137.21 - Step 5: Solve for x
x = 21,729,840,491,137.21/5,053,746.60 - Step 6: Final answer
x = 4,299,748.72
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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.