Finding the Fourth Proportional to 6,442,372.26, 8,890,246.83 and 3,541,741.81
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Solution
The fourth proportional to 6,442,372.26, 8,890,246.83 and 3,541,741.81 is: 4,887,478.96
Step by Step Solution
- Step 1: Write the proportion equation
6,442,372.26 : 8,890,246.83 = 3,541,741.81 : x - Step 2: Convert to fraction form
6,442,372.26/8,890,246.83 = 3,541,741.81/x - Step 3: Cross multiply
6,442,372.26x = 8,890,246.83 × 3,541,741.81 - Step 4: Simplify right side
6,442,372.26x = 31,486,958,890,086.88 - Step 5: Solve for x
x = 31,486,958,890,086.88/6,442,372.26 - Step 6: Final answer
x = 4,887,478.96
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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.