Finding the Fourth Proportional to 7,267,810.86, 10,897,944.99 and 2,149,568.09
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Solution
The fourth proportional to 7,267,810.86, 10,897,944.99 and 2,149,568.09 is: 3,223,236.71
Step by Step Solution
- Step 1: Write the proportion equation
7,267,810.86 : 10,897,944.99 = 2,149,568.09 : x - Step 2: Convert to fraction form
7,267,810.86/10,897,944.99 = 2,149,568.09/x - Step 3: Cross multiply
7,267,810.86x = 10,897,944.99 × 2,149,568.09 - Step 4: Simplify right side
7,267,810.86x = 23,425,874,742,589.64 - Step 5: Solve for x
x = 23,425,874,742,589.64/7,267,810.86 - Step 6: Final answer
x = 3,223,236.71
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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.