Finding the Fourth Proportional to 4,217,237.92, 5,820,646.84 and 2,859,548.32
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Solution
The fourth proportional to 4,217,237.92, 5,820,646.84 and 2,859,548.32 is: 3,946,758.80
Step by Step Solution
- Step 1: Write the proportion equation
4,217,237.92 : 5,820,646.84 = 2,859,548.32 : x - Step 2: Convert to fraction form
4,217,237.92/5,820,646.84 = 2,859,548.32/x - Step 3: Cross multiply
4,217,237.92x = 5,820,646.84 × 2,859,548.32 - Step 4: Simplify right side
4,217,237.92x = 16,644,420,892,635.31 - Step 5: Solve for x
x = 16,644,420,892,635.31/4,217,237.92 - Step 6: Final answer
x = 3,946,758.80
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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.