Finding the Fourth Proportional to 2,181,353.44, 3,272,205.12 and 761,378.08
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Solution
The fourth proportional to 2,181,353.44, 3,272,205.12 and 761,378.08 is: 1,142,128.19
Step by Step Solution
- Step 1: Write the proportion equation
2,181,353.44 : 3,272,205.12 = 761,378.08 : x - Step 2: Convert to fraction form
2,181,353.44/3,272,205.12 = 761,378.08/x - Step 3: Cross multiply
2,181,353.44x = 3,272,205.12 × 761,378.08 - Step 4: Simplify right side
2,181,353.44x = 2,491,385,251,631.77 - Step 5: Solve for x
x = 2,491,385,251,631.77/2,181,353.44 - Step 6: Final answer
x = 1,142,128.19
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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.