Finding the Fourth Proportional to 5,391,465.21, 7,440,234.75 and 2,944,080.99
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Solution
The fourth proportional to 5,391,465.21, 7,440,234.75 and 2,944,080.99 is: 4,062,838.73
Step by Step Solution
- Step 1: Write the proportion equation
5,391,465.21 : 7,440,234.75 = 2,944,080.99 : x - Step 2: Convert to fraction form
5,391,465.21/7,440,234.75 = 2,944,080.99/x - Step 3: Cross multiply
5,391,465.21x = 7,440,234.75 × 2,944,080.99 - Step 4: Simplify right side
5,391,465.21x = 21,904,653,688,612.40 - Step 5: Solve for x
x = 21,904,653,688,612.40/5,391,465.21 - Step 6: Final answer
x = 4,062,838.73
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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.