Finding the Fourth Proportional to 2,319,210.99, 3,479,144.67 and 721,935.54
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Solution
The fourth proportional to 2,319,210.99, 3,479,144.67 and 721,935.54 is: 1,083,005.47
Step by Step Solution
- Step 1: Write the proportion equation
2,319,210.99 : 3,479,144.67 = 721,935.54 : x - Step 2: Convert to fraction form
2,319,210.99/3,479,144.67 = 721,935.54/x - Step 3: Cross multiply
2,319,210.99x = 3,479,144.67 × 721,935.54 - Step 4: Simplify right side
2,319,210.99x = 2,511,718,186,074.57 - Step 5: Solve for x
x = 2,511,718,186,074.57/2,319,210.99 - Step 6: Final answer
x = 1,083,005.47
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1.5x scale
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.