Finding the Fourth Proportional to 8,524,818.40, 12,785,687.12 and 2,458,058.53
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Solution
The fourth proportional to 8,524,818.40, 12,785,687.12 and 2,458,058.53 is: 3,686,643.61
Step by Step Solution
- Step 1: Write the proportion equation
8,524,818.40 : 12,785,687.12 = 2,458,058.53 : x - Step 2: Convert to fraction form
8,524,818.40/12,785,687.12 = 2,458,058.53/x - Step 3: Cross multiply
8,524,818.40x = 12,785,687.12 × 2,458,058.53 - Step 4: Simplify right side
8,524,818.40x = 31,427,967,287,227.13 - Step 5: Solve for x
x = 31,427,967,287,227.13/8,524,818.40 - Step 6: Final answer
x = 3,686,643.61
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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.