Finding the Fourth Proportional to 5,352,187.20, 7,386,071.50 and 2,904,819.99
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Solution
The fourth proportional to 5,352,187.20, 7,386,071.50 and 2,904,819.99 is: 4,008,680.44
Step by Step Solution
- Step 1: Write the proportion equation
5,352,187.20 : 7,386,071.50 = 2,904,819.99 : x - Step 2: Convert to fraction form
5,352,187.20/7,386,071.50 = 2,904,819.99/x - Step 3: Cross multiply
5,352,187.20x = 7,386,071.50 × 2,904,819.99 - Step 4: Simplify right side
5,352,187.20x = 21,455,208,140,769.29 - Step 5: Solve for x
x = 21,455,208,140,769.29/5,352,187.20 - Step 6: Final answer
x = 4,008,680.44
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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.