Finding the Fourth Proportional to 2,776,649.32, 4,160,220.90 and 1,515,362.68
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Solution
The fourth proportional to 2,776,649.32, 4,160,220.90 and 1,515,362.68 is: 2,270,450.02
Step by Step Solution
- Step 1: Write the proportion equation
2,776,649.32 : 4,160,220.90 = 1,515,362.68 : x - Step 2: Convert to fraction form
2,776,649.32/4,160,220.90 = 1,515,362.68/x - Step 3: Cross multiply
2,776,649.32x = 4,160,220.90 × 1,515,362.68 - Step 4: Simplify right side
2,776,649.32x = 6,304,243,492,416.01 - Step 5: Solve for x
x = 6,304,243,492,416.01/2,776,649.32 - Step 6: Final answer
x = 2,270,450.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.