Finding the Fourth Proportional to 1,551,851.28, 2,141,515.26 and 898,386.66
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Solution
The fourth proportional to 1,551,851.28, 2,141,515.26 and 898,386.66 is: 1,239,750.72
Step by Step Solution
- Step 1: Write the proportion equation
1,551,851.28 : 2,141,515.26 = 898,386.66 : x - Step 2: Convert to fraction form
1,551,851.28/2,141,515.26 = 898,386.66/x - Step 3: Cross multiply
1,551,851.28x = 2,141,515.26 × 898,386.66 - Step 4: Simplify right side
1,551,851.28x = 1,923,908,741,770.43 - Step 5: Solve for x
x = 1,923,908,741,770.43/1,551,851.28 - Step 6: Final answer
x = 1,239,750.72
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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.