Finding the Fourth Proportional to 1,614,449.31, 2,227,929.66 and 889,280.20
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Solution
The fourth proportional to 1,614,449.31, 2,227,929.66 and 889,280.20 is: 1,227,200.95
Step by Step Solution
- Step 1: Write the proportion equation
1,614,449.31 : 2,227,929.66 = 889,280.20 : x - Step 2: Convert to fraction form
1,614,449.31/2,227,929.66 = 889,280.20/x - Step 3: Cross multiply
1,614,449.31x = 2,227,929.66 × 889,280.20 - Step 4: Simplify right side
1,614,449.31x = 1,981,253,733,630.73 - Step 5: Solve for x
x = 1,981,253,733,630.73/1,614,449.31 - Step 6: Final answer
x = 1,227,200.95
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1.5x scale
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.