Finding the Fourth Proportional to 5,721,590.19, 7,895,797.61 and 3,143,437.01
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Solution
The fourth proportional to 5,721,590.19, 7,895,797.61 and 3,143,437.01 is: 4,337,944.79
Step by Step Solution
- Step 1: Write the proportion equation
5,721,590.19 : 7,895,797.61 = 3,143,437.01 : x - Step 2: Convert to fraction form
5,721,590.19/7,895,797.61 = 3,143,437.01/x - Step 3: Cross multiply
5,721,590.19x = 7,895,797.61 × 3,143,437.01 - Step 4: Simplify right side
5,721,590.19x = 24,819,942,375,547.38 - Step 5: Solve for x
x = 24,819,942,375,547.38/5,721,590.19 - Step 6: Final answer
x = 4,337,944.79
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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.