Finding the Fourth Proportional to 2,842,272.80, 4,257,879.60 and 1,716,999.20
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Solution
The fourth proportional to 2,842,272.80, 4,257,879.60 and 1,716,999.20 is: 2,572,158.40
Step by Step Solution
- Step 1: Write the proportion equation
2,842,272.80 : 4,257,879.60 = 1,716,999.20 : x - Step 2: Convert to fraction form
2,842,272.80/4,257,879.60 = 1,716,999.20/x - Step 3: Cross multiply
2,842,272.80x = 4,257,879.60 × 1,716,999.20 - Step 4: Simplify right side
2,842,272.80x = 7,310,775,866,896.32 - Step 5: Solve for x
x = 7,310,775,866,896.32/2,842,272.80 - Step 6: Final answer
x = 2,572,158.40
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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.