Finding the Fourth Proportional to 7,971,243.36, 11,958,867.72 and 2,291,478
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Solution
The fourth proportional to 7,971,243.36, 11,958,867.72 and 2,291,478 is: 3,437,792.71
Step by Step Solution
- Step 1: Write the proportion equation
7,971,243.36 : 11,958,867.72 = 2,291,478 : x - Step 2: Convert to fraction form
7,971,243.36/11,958,867.72 = 2,291,478/x - Step 3: Cross multiply
7,971,243.36x = 11,958,867.72 × 2,291,478 - Step 4: Simplify right side
7,971,243.36x = 27,403,482,285,290.16 - Step 5: Solve for x
x = 27,403,482,285,290.16/7,971,243.36 - Step 6: Final answer
x = 3,437,792.71
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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.