Finding the Fourth Proportional to 6,461,317.20, 9,687,310.20 and 3,622,299.60
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Solution
The fourth proportional to 6,461,317.20, 9,687,310.20 and 3,622,299.60 is: 5,430,833.80
Step by Step Solution
- Step 1: Write the proportion equation
6,461,317.20 : 9,687,310.20 = 3,622,299.60 : x - Step 2: Convert to fraction form
6,461,317.20/9,687,310.20 = 3,622,299.60/x - Step 3: Cross multiply
6,461,317.20x = 9,687,310.20 × 3,622,299.60 - Step 4: Simplify right side
6,461,317.20x = 35,090,339,862,535.92 - Step 5: Solve for x
x = 35,090,339,862,535.92/6,461,317.20 - Step 6: Final answer
x = 5,430,833.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.