Finding the Fourth Proportional to 5,351,932.84, 7,385,671.12 and 2,904,543.31
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Solution
The fourth proportional to 5,351,932.84, 7,385,671.12 and 2,904,543.31 is: 4,008,271.83
Step by Step Solution
- Step 1: Write the proportion equation
5,351,932.84 : 7,385,671.12 = 2,904,543.31 : x - Step 2: Convert to fraction form
5,351,932.84/7,385,671.12 = 2,904,543.31/x - Step 3: Cross multiply
5,351,932.84x = 7,385,671.12 × 2,904,543.31 - Step 4: Simplify right side
5,351,932.84x = 21,452,001,641,456.21 - Step 5: Solve for x
x = 21,452,001,641,456.21/5,351,932.84 - Step 6: Final answer
x = 4,008,271.83
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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.