Finding the Fourth Proportional to 5,452,116.65, 7,524,275.79 and 3,129,760.82
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Solution
The fourth proportional to 5,452,116.65, 7,524,275.79 and 3,129,760.82 is: 4,319,273.61
Step by Step Solution
- Step 1: Write the proportion equation
5,452,116.65 : 7,524,275.79 = 3,129,760.82 : x - Step 2: Convert to fraction form
5,452,116.65/7,524,275.79 = 3,129,760.82/x - Step 3: Cross multiply
5,452,116.65x = 7,524,275.79 × 3,129,760.82 - Step 4: Simplify right side
5,452,116.65x = 23,549,183,528,795.17 - Step 5: Solve for x
x = 23,549,183,528,795.17/5,452,116.65 - Step 6: Final answer
x = 4,319,273.61
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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.