Finding the Fourth Proportional to 5,194,369.04, 7,791,553.62 and 1,407,851.91
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Solution
The fourth proportional to 5,194,369.04, 7,791,553.62 and 1,407,851.91 is: 2,111,777.88
Step by Step Solution
- Step 1: Write the proportion equation
5,194,369.04 : 7,791,553.62 = 1,407,851.91 : x - Step 2: Convert to fraction form
5,194,369.04/7,791,553.62 = 1,407,851.91/x - Step 3: Cross multiply
5,194,369.04x = 7,791,553.62 × 1,407,851.91 - Step 4: Simplify right side
5,194,369.04x = 10,969,353,645,784.41 - Step 5: Solve for x
x = 10,969,353,645,784.41/5,194,369.04 - Step 6: Final answer
x = 2,111,777.88
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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.