Finding the Fourth Proportional to 3,906,717.28, 5,860,984.80 and 1,210,899.52
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Solution
The fourth proportional to 3,906,717.28, 5,860,984.80 and 1,210,899.52 is: 1,816,630.99
Step by Step Solution
- Step 1: Write the proportion equation
3,906,717.28 : 5,860,984.80 = 1,210,899.52 : x - Step 2: Convert to fraction form
3,906,717.28/5,860,984.80 = 1,210,899.52/x - Step 3: Cross multiply
3,906,717.28x = 5,860,984.80 × 1,210,899.52 - Step 4: Simplify right side
3,906,717.28x = 7,097,063,681,047.30 - Step 5: Solve for x
x = 7,097,063,681,047.30/3,906,717.28 - Step 6: Final answer
x = 1,816,630.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.