Finding the Fourth Proportional to 3,513,773.80, 5,270,919.90 and 1,269,620.20
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Solution
The fourth proportional to 3,513,773.80, 5,270,919.90 and 1,269,620.20 is: 1,904,523.96
Step by Step Solution
- Step 1: Write the proportion equation
3,513,773.80 : 5,270,919.90 = 1,269,620.20 : x - Step 2: Convert to fraction form
3,513,773.80/5,270,919.90 = 1,269,620.20/x - Step 3: Cross multiply
3,513,773.80x = 5,270,919.90 × 1,269,620.20 - Step 4: Simplify right side
3,513,773.80x = 6,692,066,377,621.98 - Step 5: Solve for x
x = 6,692,066,377,621.98/3,513,773.80 - Step 6: Final answer
x = 1,904,523.96
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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.