Finding the Fourth Proportional to 2,227,191.60, 3,347,785.80 and 2,185,201.20
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Solution
The fourth proportional to 2,227,191.60, 3,347,785.80 and 2,185,201.20 is: 3,284,668.26
Step by Step Solution
- Step 1: Write the proportion equation
2,227,191.60 : 3,347,785.80 = 2,185,201.20 : x - Step 2: Convert to fraction form
2,227,191.60/3,347,785.80 = 2,185,201.20/x - Step 3: Cross multiply
2,227,191.60x = 3,347,785.80 × 2,185,201.20 - Step 4: Simplify right side
2,227,191.60x = 7,315,585,547,502.96 - Step 5: Solve for x
x = 7,315,585,547,502.96/2,227,191.60 - Step 6: Final answer
x = 3,284,668.26
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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.