Finding the Fourth Proportional to 1,863,318.06, 2,571,471.36 and 1,138,048.38
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Solution
The fourth proportional to 1,863,318.06, 2,571,471.36 and 1,138,048.38 is: 1,570,563.22
Step by Step Solution
- Step 1: Write the proportion equation
1,863,318.06 : 2,571,471.36 = 1,138,048.38 : x - Step 2: Convert to fraction form
1,863,318.06/2,571,471.36 = 1,138,048.38/x - Step 3: Cross multiply
1,863,318.06x = 2,571,471.36 × 1,138,048.38 - Step 4: Simplify right side
1,863,318.06x = 2,926,458,815,464.40 - Step 5: Solve for x
x = 2,926,458,815,464.40/1,863,318.06 - Step 6: Final answer
x = 1,570,563.22
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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.