Finding the Fourth Proportional to 6,442,232.78, 8,890,450.99 and 3,541,696.70
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Solution
The fourth proportional to 6,442,232.78, 8,890,450.99 and 3,541,696.70 is: 4,887,634.76
Step by Step Solution
- Step 1: Write the proportion equation
6,442,232.78 : 8,890,450.99 = 3,541,696.70 : x - Step 2: Convert to fraction form
6,442,232.78/8,890,450.99 = 3,541,696.70/x - Step 3: Cross multiply
6,442,232.78x = 8,890,450.99 × 3,541,696.70 - Step 4: Simplify right side
6,442,232.78x = 31,487,280,879,488.24 - Step 5: Solve for x
x = 31,487,280,879,488.24/6,442,232.78 - Step 6: Final answer
x = 4,887,634.76
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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.