Finding the Fourth Proportional to 3,613,775.92, 4,986,968.52 and 1,959,898.48
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Solution
The fourth proportional to 3,613,775.92, 4,986,968.52 and 1,959,898.48 is: 2,704,636.99
Step by Step Solution
- Step 1: Write the proportion equation
3,613,775.92 : 4,986,968.52 = 1,959,898.48 : x - Step 2: Convert to fraction form
3,613,775.92/4,986,968.52 = 1,959,898.48/x - Step 3: Cross multiply
3,613,775.92x = 4,986,968.52 × 1,959,898.48 - Step 4: Simplify right side
3,613,775.92x = 9,773,952,022,155.85 - Step 5: Solve for x
x = 9,773,952,022,155.85/3,613,775.92 - Step 6: Final answer
x = 2,704,636.99
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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.