Finding the Fourth Proportional to 1,552,018.21, 2,141,769.66 and 863,678.28
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Solution
The fourth proportional to 1,552,018.21, 2,141,769.66 and 863,678.28 is: 1,191,867.42
Step by Step Solution
- Step 1: Write the proportion equation
1,552,018.21 : 2,141,769.66 = 863,678.28 : x - Step 2: Convert to fraction form
1,552,018.21/2,141,769.66 = 863,678.28/x - Step 3: Cross multiply
1,552,018.21x = 2,141,769.66 × 863,678.28 - Step 4: Simplify right side
1,552,018.21x = 1,849,799,936,104.99 - Step 5: Solve for x
x = 1,849,799,936,104.99/1,552,018.21 - Step 6: Final answer
x = 1,191,867.42
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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.