Finding the Fourth Proportional to 1,863,324.06, 2,571,479.64 and 1,138,054.38
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Solution
The fourth proportional to 1,863,324.06, 2,571,479.64 and 1,138,054.38 is: 1,570,571.50
Step by Step Solution
- Step 1: Write the proportion equation
1,863,324.06 : 2,571,479.64 = 1,138,054.38 : x - Step 2: Convert to fraction form
1,863,324.06/2,571,479.64 = 1,138,054.38/x - Step 3: Cross multiply
1,863,324.06x = 2,571,479.64 × 1,138,054.38 - Step 4: Simplify right side
1,863,324.06x = 2,926,483,667,382.82 - Step 5: Solve for x
x = 2,926,483,667,382.82/1,863,324.06 - Step 6: Final answer
x = 1,570,571.50
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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.