Finding the Fourth Proportional to 1,918,270.14, 2,877,175.56 and 1,492,231.62
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Solution
The fourth proportional to 1,918,270.14, 2,877,175.56 and 1,492,231.62 is: 2,238,168.78
Step by Step Solution
- Step 1: Write the proportion equation
1,918,270.14 : 2,877,175.56 = 1,492,231.62 : x - Step 2: Convert to fraction form
1,918,270.14/2,877,175.56 = 1,492,231.62/x - Step 3: Cross multiply
1,918,270.14x = 2,877,175.56 × 1,492,231.62 - Step 4: Simplify right side
1,918,270.14x = 4,293,412,346,923.21 - Step 5: Solve for x
x = 4,293,412,346,923.21/1,918,270.14 - Step 6: Final answer
x = 2,238,168.78
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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.