Finding the Fourth Proportional to 3,994,741.99, 5,513,079.81 and 2,445,996.07
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Solution
The fourth proportional to 3,994,741.99, 5,513,079.81 and 2,445,996.07 is: 3,375,680.23
Step by Step Solution
- Step 1: Write the proportion equation
3,994,741.99 : 5,513,079.81 = 2,445,996.07 : x - Step 2: Convert to fraction form
3,994,741.99/5,513,079.81 = 2,445,996.07/x - Step 3: Cross multiply
3,994,741.99x = 5,513,079.81 × 2,445,996.07 - Step 4: Simplify right side
3,994,741.99x = 13,484,971,548,856.35 - Step 5: Solve for x
x = 13,484,971,548,856.35/3,994,741.99 - Step 6: Final answer
x = 3,375,680.23
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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.