Finding the Fourth Proportional to 1,863,377.28, 2,571,551.76 and 1,047,837.60
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Solution
The fourth proportional to 1,863,377.28, 2,571,551.76 and 1,047,837.60 is: 1,446,067.12
Step by Step Solution
- Step 1: Write the proportion equation
1,863,377.28 : 2,571,551.76 = 1,047,837.60 : x - Step 2: Convert to fraction form
1,863,377.28/2,571,551.76 = 1,047,837.60/x - Step 3: Cross multiply
1,863,377.28x = 2,571,551.76 × 1,047,837.60 - Step 4: Simplify right side
1,863,377.28x = 2,694,568,624,474.18 - Step 5: Solve for x
x = 2,694,568,624,474.18/1,863,377.28 - Step 6: Final answer
x = 1,446,067.12
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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.