Finding the Fourth Proportional to 3,874,842.67, 5,803,960.23 and 3,151,752.12
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Solution
The fourth proportional to 3,874,842.67, 5,803,960.23 and 3,151,752.12 is: 4,720,873.99
Step by Step Solution
- Step 1: Write the proportion equation
3,874,842.67 : 5,803,960.23 = 3,151,752.12 : x - Step 2: Convert to fraction form
3,874,842.67/5,803,960.23 = 3,151,752.12/x - Step 3: Cross multiply
3,874,842.67x = 5,803,960.23 × 3,151,752.12 - Step 4: Simplify right side
3,874,842.67x = 18,292,643,959,298.19 - Step 5: Solve for x
x = 18,292,643,959,298.19/3,874,842.67 - Step 6: Final answer
x = 4,720,873.99
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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.