Finding the Fourth Proportional to 2,868,707.56, 3,958,825.80 and 1,561,975.08
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Solution
The fourth proportional to 2,868,707.56, 3,958,825.80 and 1,561,975.08 is: 2,155,530.71
Step by Step Solution
- Step 1: Write the proportion equation
2,868,707.56 : 3,958,825.80 = 1,561,975.08 : x - Step 2: Convert to fraction form
2,868,707.56/3,958,825.80 = 1,561,975.08/x - Step 3: Cross multiply
2,868,707.56x = 3,958,825.80 × 1,561,975.08 - Step 4: Simplify right side
2,868,707.56x = 6,183,587,245,661.07 - Step 5: Solve for x
x = 6,183,587,245,661.07/2,868,707.56 - Step 6: Final answer
x = 2,155,530.71
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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.