Finding the Fourth Proportional to 1,614,449.81, 2,227,930.35 and 889,280.70
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Solution
The fourth proportional to 1,614,449.81, 2,227,930.35 and 889,280.70 is: 1,227,201.65
Step by Step Solution
- Step 1: Write the proportion equation
1,614,449.81 : 2,227,930.35 = 889,280.70 : x - Step 2: Convert to fraction form
1,614,449.81/2,227,930.35 = 889,280.70/x - Step 3: Cross multiply
1,614,449.81x = 2,227,930.35 × 889,280.70 - Step 4: Simplify right side
1,614,449.81x = 1,981,255,461,199.25 - Step 5: Solve for x
x = 1,981,255,461,199.25/1,614,449.81 - Step 6: Final answer
x = 1,227,201.65
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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.