Finding the Fourth Proportional to 4,149,124.14, 5,725,861.92 and 2,288,753.20
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Solution
The fourth proportional to 4,149,124.14, 5,725,861.92 and 2,288,753.20 is: 3,158,518.36
Step by Step Solution
- Step 1: Write the proportion equation
4,149,124.14 : 5,725,861.92 = 2,288,753.20 : x - Step 2: Convert to fraction form
4,149,124.14/5,725,861.92 = 2,288,753.20/x - Step 3: Cross multiply
4,149,124.14x = 5,725,861.92 × 2,288,753.20 - Step 4: Simplify right side
4,149,124.14x = 13,105,084,792,158.14 - Step 5: Solve for x
x = 13,105,084,792,158.14/4,149,124.14 - Step 6: Final answer
x = 3,158,518.36
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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.