Finding the Fourth Proportional to 5,343,934.20, 7,375,417.16 and 3,383,991.21
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Solution
The fourth proportional to 5,343,934.20, 7,375,417.16 and 3,383,991.21 is: 4,670,406.83
Step by Step Solution
- Step 1: Write the proportion equation
5,343,934.20 : 7,375,417.16 = 3,383,991.21 : x - Step 2: Convert to fraction form
5,343,934.20/7,375,417.16 = 3,383,991.21/x - Step 3: Cross multiply
5,343,934.20x = 7,375,417.16 × 3,383,991.21 - Step 4: Simplify right side
5,343,934.20x = 24,958,346,788,030.94 - Step 5: Solve for x
x = 24,958,346,788,030.94/5,343,934.20 - Step 6: Final answer
x = 4,670,406.83
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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.