Finding the Fourth Proportional to 2,268,927.16, 3,131,078.88 and 1,236,443.92
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Solution
The fourth proportional to 2,268,927.16, 3,131,078.88 and 1,236,443.92 is: 1,706,270.48
Step by Step Solution
- Step 1: Write the proportion equation
2,268,927.16 : 3,131,078.88 = 1,236,443.92 : x - Step 2: Convert to fraction form
2,268,927.16/3,131,078.88 = 1,236,443.92/x - Step 3: Cross multiply
2,268,927.16x = 3,131,078.88 × 1,236,443.92 - Step 4: Simplify right side
2,268,927.16x = 3,871,403,444,216.41 - Step 5: Solve for x
x = 3,871,403,444,216.41/2,268,927.16 - Step 6: Final answer
x = 1,706,270.48
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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.