Finding the Fourth Proportional to 6,430,814.17, 8,874,293.68 and 3,639,877.53
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Solution
The fourth proportional to 6,430,814.17, 8,874,293.68 and 3,639,877.53 is: 5,022,900.88
Step by Step Solution
- Step 1: Write the proportion equation
6,430,814.17 : 8,874,293.68 = 3,639,877.53 : x - Step 2: Convert to fraction form
6,430,814.17/8,874,293.68 = 3,639,877.53/x - Step 3: Cross multiply
6,430,814.17x = 8,874,293.68 × 3,639,877.53 - Step 4: Simplify right side
6,430,814.17x = 32,301,342,151,353.32 - Step 5: Solve for x
x = 32,301,342,151,353.32/6,430,814.17 - Step 6: Final answer
x = 5,022,900.88
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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.