Finding the Fourth Proportional to 2,856,753.26, 3,942,564.36 and 1,567,842.80
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Solution
The fourth proportional to 2,856,753.26, 3,942,564.36 and 1,567,842.80 is: 2,163,757.45
Step by Step Solution
- Step 1: Write the proportion equation
2,856,753.26 : 3,942,564.36 = 1,567,842.80 : x - Step 2: Convert to fraction form
2,856,753.26/3,942,564.36 = 1,567,842.80/x - Step 3: Cross multiply
2,856,753.26x = 3,942,564.36 × 1,567,842.80 - Step 4: Simplify right side
2,856,753.26x = 6,181,321,145,362.61 - Step 5: Solve for x
x = 6,181,321,145,362.61/2,856,753.26 - Step 6: Final answer
x = 2,163,757.45
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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.