Finding the Fourth Proportional to 5,158,027.62, 7,117,752.69 and 2,866,051.62
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Solution
The fourth proportional to 5,158,027.62, 7,117,752.69 and 2,866,051.62 is: 3,954,970.41
Step by Step Solution
- Step 1: Write the proportion equation
5,158,027.62 : 7,117,752.69 = 2,866,051.62 : x - Step 2: Convert to fraction form
5,158,027.62/7,117,752.69 = 2,866,051.62/x - Step 3: Cross multiply
5,158,027.62x = 7,117,752.69 × 2,866,051.62 - Step 4: Simplify right side
5,158,027.62x = 20,399,846,627,933.86 - Step 5: Solve for x
x = 20,399,846,627,933.86/5,158,027.62 - Step 6: Final answer
x = 3,954,970.41
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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.