Finding the Fourth Proportional to 3,362,058.77, 4,639,619.12 and 1,911,754.31
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Solution
The fourth proportional to 3,362,058.77, 4,639,619.12 and 1,911,754.31 is: 2,638,208.44
Step by Step Solution
- Step 1: Write the proportion equation
3,362,058.77 : 4,639,619.12 = 1,911,754.31 : x - Step 2: Convert to fraction form
3,362,058.77/4,639,619.12 = 1,911,754.31/x - Step 3: Cross multiply
3,362,058.77x = 4,639,619.12 × 1,911,754.31 - Step 4: Simplify right side
3,362,058.77x = 8,869,811,816,661.54 - Step 5: Solve for x
x = 8,869,811,816,661.54/3,362,058.77 - Step 6: Final answer
x = 2,638,208.44
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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.