Finding the Fourth Proportional to 2,158,155.12, 3,236,926.50 and 738,004.80
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Solution
The fourth proportional to 2,158,155.12, 3,236,926.50 and 738,004.80 is: 1,106,902.50
Step by Step Solution
- Step 1: Write the proportion equation
2,158,155.12 : 3,236,926.50 = 738,004.80 : x - Step 2: Convert to fraction form
2,158,155.12/3,236,926.50 = 738,004.80/x - Step 3: Cross multiply
2,158,155.12x = 3,236,926.50 × 738,004.80 - Step 4: Simplify right side
2,158,155.12x = 2,388,867,294,247.20 - Step 5: Solve for x
x = 2,388,867,294,247.20/2,158,155.12 - Step 6: Final answer
x = 1,106,902.50
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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.