Finding the Fourth Proportional to 6,442,369.58, 8,890,475.73 and 3,541,809.80
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Solution
The fourth proportional to 6,442,369.58, 8,890,475.73 and 3,541,809.80 is: 4,887,700.66
Step by Step Solution
- Step 1: Write the proportion equation
6,442,369.58 : 8,890,475.73 = 3,541,809.80 : x - Step 2: Convert to fraction form
6,442,369.58/8,890,475.73 = 3,541,809.80/x - Step 3: Cross multiply
6,442,369.58x = 8,890,475.73 × 3,541,809.80 - Step 4: Simplify right side
6,442,369.58x = 31,488,374,067,176.15 - Step 5: Solve for x
x = 31,488,374,067,176.15/6,442,369.58 - Step 6: Final answer
x = 4,887,700.66
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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.