Finding the Fourth Proportional to 5,209,284.96, 7,188,645.36 and 2,886,082.08
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Solution
The fourth proportional to 5,209,284.96, 7,188,645.36 and 2,886,082.08 is: 3,982,700.26
Step by Step Solution
- Step 1: Write the proportion equation
5,209,284.96 : 7,188,645.36 = 2,886,082.08 : x - Step 2: Convert to fraction form
5,209,284.96/7,188,645.36 = 2,886,082.08/x - Step 3: Cross multiply
5,209,284.96x = 7,188,645.36 × 2,886,082.08 - Step 4: Simplify right side
5,209,284.96x = 20,747,020,552,971.15 - Step 5: Solve for x
x = 20,747,020,552,971.15/5,209,284.96 - Step 6: Final answer
x = 3,982,700.26
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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.