Finding the Fourth Proportional to 3,956,393.63, 5,934,412.11 and 1,649,936.99
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Solution
The fourth proportional to 3,956,393.63, 5,934,412.11 and 1,649,936.99 is: 2,474,831.11
Step by Step Solution
- Step 1: Write the proportion equation
3,956,393.63 : 5,934,412.11 = 1,649,936.99 : x - Step 2: Convert to fraction form
3,956,393.63/5,934,412.11 = 1,649,936.99/x - Step 3: Cross multiply
3,956,393.63x = 5,934,412.11 × 1,649,936.99 - Step 4: Simplify right side
3,956,393.63x = 9,791,406,054,192.95 - Step 5: Solve for x
x = 9,791,406,054,192.95/3,956,393.63 - Step 6: Final answer
x = 2,474,831.11
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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.