Finding the Fourth Proportional to 6,427,702.74, 8,870,205.44 and 3,527,142.14
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Solution
The fourth proportional to 6,427,702.74, 8,870,205.44 and 3,527,142.14 is: 4,867,442.80
Step by Step Solution
- Step 1: Write the proportion equation
6,427,702.74 : 8,870,205.44 = 3,527,142.14 : x - Step 2: Convert to fraction form
6,427,702.74/8,870,205.44 = 3,527,142.14/x - Step 3: Cross multiply
6,427,702.74x = 8,870,205.44 × 3,527,142.14 - Step 4: Simplify right side
6,427,702.74x = 31,286,475,397,881.24 - Step 5: Solve for x
x = 31,286,475,397,881.24/6,427,702.74 - Step 6: Final answer
x = 4,867,442.80
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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.