Finding the Fourth Proportional to 4,736,446.92, 6,539,285.52 and 3,285,634.86
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Solution
The fourth proportional to 4,736,446.92, 6,539,285.52 and 3,285,634.86 is: 4,536,249.39
Step by Step Solution
- Step 1: Write the proportion equation
4,736,446.92 : 6,539,285.52 = 3,285,634.86 : x - Step 2: Convert to fraction form
4,736,446.92/6,539,285.52 = 3,285,634.86/x - Step 3: Cross multiply
4,736,446.92x = 6,539,285.52 × 3,285,634.86 - Step 4: Simplify right side
4,736,446.92x = 21,485,704,464,005.23 - Step 5: Solve for x
x = 21,485,704,464,005.23/4,736,446.92 - Step 6: Final answer
x = 4,536,249.39
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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.