Finding the Fourth Proportional to 5,352,189.20, 7,386,074.28 and 2,904,821.99
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Solution
The fourth proportional to 5,352,189.20, 7,386,074.28 and 2,904,821.99 is: 4,008,683.21
Step by Step Solution
- Step 1: Write the proportion equation
5,352,189.20 : 7,386,074.28 = 2,904,821.99 : x - Step 2: Convert to fraction form
5,352,189.20/7,386,074.28 = 2,904,821.99/x - Step 3: Cross multiply
5,352,189.20x = 7,386,074.28 × 2,904,821.99 - Step 4: Simplify right side
5,352,189.20x = 21,455,230,951,387.05 - Step 5: Solve for x
x = 21,455,230,951,387.05/5,352,189.20 - Step 6: Final answer
x = 4,008,683.21
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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.