Finding the Fourth Proportional to 4,587,441.55, 6,331,632.62 and 2,909,939.65
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Solution
The fourth proportional to 4,587,441.55, 6,331,632.62 and 2,909,939.65 is: 4,016,327.75
Step by Step Solution
- Step 1: Write the proportion equation
4,587,441.55 : 6,331,632.62 = 2,909,939.65 : x - Step 2: Convert to fraction form
4,587,441.55/6,331,632.62 = 2,909,939.65/x - Step 3: Cross multiply
4,587,441.55x = 6,331,632.62 × 2,909,939.65 - Step 4: Simplify right side
4,587,441.55x = 18,424,668,796,161.02 - Step 5: Solve for x
x = 18,424,668,796,161.02/4,587,441.55 - Step 6: Final answer
x = 4,016,327.75
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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.