Finding the Fourth Proportional to 4,573,789.92, 6,312,977.01 and 3,106,181.70
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Solution
The fourth proportional to 4,573,789.92, 6,312,977.01 and 3,106,181.70 is: 4,287,309.65
Step by Step Solution
- Step 1: Write the proportion equation
4,573,789.92 : 6,312,977.01 = 3,106,181.70 : x - Step 2: Convert to fraction form
4,573,789.92/6,312,977.01 = 3,106,181.70/x - Step 3: Cross multiply
4,573,789.92x = 6,312,977.01 × 3,106,181.70 - Step 4: Simplify right side
4,573,789.92x = 19,609,253,660,982.72 - Step 5: Solve for x
x = 19,609,253,660,982.72/4,573,789.92 - Step 6: Final answer
x = 4,287,309.65
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1.5x scale
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.