Finding the Fourth Proportional to 3,772,718.49, 5,206,269.14 and 2,203,119.99
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Solution
The fourth proportional to 3,772,718.49, 5,206,269.14 and 2,203,119.99 is: 3,040,257.48
Step by Step Solution
- Step 1: Write the proportion equation
3,772,718.49 : 5,206,269.14 = 2,203,119.99 : x - Step 2: Convert to fraction form
3,772,718.49/5,206,269.14 = 2,203,119.99/x - Step 3: Cross multiply
3,772,718.49x = 5,206,269.14 × 2,203,119.99 - Step 4: Simplify right side
3,772,718.49x = 11,470,035,612,900.21 - Step 5: Solve for x
x = 11,470,035,612,900.21/3,772,718.49 - Step 6: Final answer
x = 3,040,257.48
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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.