Finding the Fourth Proportional to 4,589,981.20, 6,878,673.18 and 2,904,066.64
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Solution
The fourth proportional to 4,589,981.20, 6,878,673.18 and 2,904,066.64 is: 4,352,114.84
Step by Step Solution
- Step 1: Write the proportion equation
4,589,981.20 : 6,878,673.18 = 2,904,066.64 : x - Step 2: Convert to fraction form
4,589,981.20/6,878,673.18 = 2,904,066.64/x - Step 3: Cross multiply
4,589,981.20x = 6,878,673.18 × 2,904,066.64 - Step 4: Simplify right side
4,589,981.20x = 19,976,125,309,500.71 - Step 5: Solve for x
x = 19,976,125,309,500.71/4,589,981.20 - Step 6: Final answer
x = 4,352,114.84
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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.