Finding the Fourth Proportional to 5,287,783.82, 7,933,918.64 and 2,888,825.99
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Solution
The fourth proportional to 5,287,783.82, 7,933,918.64 and 2,888,825.99 is: 4,334,464.33
Step by Step Solution
- Step 1: Write the proportion equation
5,287,783.82 : 7,933,918.64 = 2,888,825.99 : x - Step 2: Convert to fraction form
5,287,783.82/7,933,918.64 = 2,888,825.99/x - Step 3: Cross multiply
5,287,783.82x = 7,933,918.64 × 2,888,825.99 - Step 4: Simplify right side
5,287,783.82x = 22,919,710,315,663.73 - Step 5: Solve for x
x = 22,919,710,315,663.73/5,287,783.82 - Step 6: Final answer
x = 4,334,464.33
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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.