Finding the Fourth Proportional to 2,187,552.72, 3,276,605.12 and 2,134,014.96
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Solution
The fourth proportional to 2,187,552.72, 3,276,605.12 and 2,134,014.96 is: 3,196,414.09
Step by Step Solution
- Step 1: Write the proportion equation
2,187,552.72 : 3,276,605.12 = 2,134,014.96 : x - Step 2: Convert to fraction form
2,187,552.72/3,276,605.12 = 2,134,014.96/x - Step 3: Cross multiply
2,187,552.72x = 3,276,605.12 × 2,134,014.96 - Step 4: Simplify right side
2,187,552.72x = 6,992,324,344,092.60 - Step 5: Solve for x
x = 6,992,324,344,092.60/2,187,552.72 - Step 6: Final answer
x = 3,196,414.09
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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.