Finding the Fourth Proportional to 2,194,547.64, 3,028,480.22 and 1,227,694.11
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Solution
The fourth proportional to 2,194,547.64, 3,028,480.22 and 1,227,694.11 is: 1,694,220.38
Step by Step Solution
- Step 1: Write the proportion equation
2,194,547.64 : 3,028,480.22 = 1,227,694.11 : x - Step 2: Convert to fraction form
2,194,547.64/3,028,480.22 = 1,227,694.11/x - Step 3: Cross multiply
2,194,547.64x = 3,028,480.22 × 1,227,694.11 - Step 4: Simplify right side
2,194,547.64x = 3,718,047,331,414.74 - Step 5: Solve for x
x = 3,718,047,331,414.74/2,194,547.64 - Step 6: Final answer
x = 1,694,220.38
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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.