Finding the Fourth Proportional to 2,694,705.99, 3,718,782.28 and 1,471,076.75
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Solution
The fourth proportional to 2,694,705.99, 3,718,782.28 and 1,471,076.75 is: 2,030,133.97
Step by Step Solution
- Step 1: Write the proportion equation
2,694,705.99 : 3,718,782.28 = 1,471,076.75 : x - Step 2: Convert to fraction form
2,694,705.99/3,718,782.28 = 1,471,076.75/x - Step 3: Cross multiply
2,694,705.99x = 3,718,782.28 × 1,471,076.75 - Step 4: Simplify right side
2,694,705.99x = 5,470,614,153,280.98 - Step 5: Solve for x
x = 5,470,614,153,280.98/2,694,705.99 - Step 6: Final answer
x = 2,030,133.97
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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.