Finding the Fourth Proportional to 3,935,621.97, 5,431,188.65 and 2,216,581.65
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Solution
The fourth proportional to 3,935,621.97, 5,431,188.65 and 2,216,581.65 is: 3,058,899.76
Step by Step Solution
- Step 1: Write the proportion equation
3,935,621.97 : 5,431,188.65 = 2,216,581.65 : x - Step 2: Convert to fraction form
3,935,621.97/5,431,188.65 = 2,216,581.65/x - Step 3: Cross multiply
3,935,621.97x = 5,431,188.65 × 2,216,581.65 - Step 4: Simplify right side
3,935,621.97x = 12,038,673,088,195.36 - Step 5: Solve for x
x = 12,038,673,088,195.36/3,935,621.97 - Step 6: Final answer
x = 3,058,899.76
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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.