Finding the Fourth Proportional to 3,423,438.96, 5,135,659.20 and 1,027,473.12
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Solution
The fourth proportional to 3,423,438.96, 5,135,659.20 and 1,027,473.12 is: 1,541,359.97
Step by Step Solution
- Step 1: Write the proportion equation
3,423,438.96 : 5,135,659.20 = 1,027,473.12 : x - Step 2: Convert to fraction form
3,423,438.96/5,135,659.20 = 1,027,473.12/x - Step 3: Cross multiply
3,423,438.96x = 5,135,659.20 × 1,027,473.12 - Step 4: Simplify right side
3,423,438.96x = 5,276,751,781,480.70 - Step 5: Solve for x
x = 5,276,751,781,480.70/3,423,438.96 - Step 6: Final answer
x = 1,541,359.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.