Finding the Fourth Proportional to 4,285,742.94, 5,912,641.67 and 2,449,215.99
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Solution
The fourth proportional to 4,285,742.94, 5,912,641.67 and 2,449,215.99 is: 3,378,955.93
Step by Step Solution
- Step 1: Write the proportion equation
4,285,742.94 : 5,912,641.67 = 2,449,215.99 : x - Step 2: Convert to fraction form
4,285,742.94/5,912,641.67 = 2,449,215.99/x - Step 3: Cross multiply
4,285,742.94x = 5,912,641.67 × 2,449,215.99 - Step 4: Simplify right side
4,285,742.94x = 14,481,336,509,058.22 - Step 5: Solve for x
x = 14,481,336,509,058.22/4,285,742.94 - Step 6: Final answer
x = 3,378,955.93
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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.