Finding the Fourth Proportional to 4,071,254.40, 6,107,840.64 and 1,231,390.08
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Solution
The fourth proportional to 4,071,254.40, 6,107,840.64 and 1,231,390.08 is: 1,847,375.19
Step by Step Solution
- Step 1: Write the proportion equation
4,071,254.40 : 6,107,840.64 = 1,231,390.08 : x - Step 2: Convert to fraction form
4,071,254.40/6,107,840.64 = 1,231,390.08/x - Step 3: Cross multiply
4,071,254.40x = 6,107,840.64 × 1,231,390.08 - Step 4: Simplify right side
4,071,254.40x = 7,521,134,374,316.85 - Step 5: Solve for x
x = 7,521,134,374,316.85/4,071,254.40 - Step 6: Final answer
x = 1,847,375.19
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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.