Finding the Fourth Proportional to 5,639,134.55, 7,786,049.87 and 3,466,590.62
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Solution
The fourth proportional to 5,639,134.55, 7,786,049.87 and 3,466,590.62 is: 4,786,381.17
Step by Step Solution
- Step 1: Write the proportion equation
5,639,134.55 : 7,786,049.87 = 3,466,590.62 : x - Step 2: Convert to fraction form
5,639,134.55/7,786,049.87 = 3,466,590.62/x - Step 3: Cross multiply
5,639,134.55x = 7,786,049.87 × 3,466,590.62 - Step 4: Simplify right side
5,639,134.55x = 26,991,047,415,930.45 - Step 5: Solve for x
x = 26,991,047,415,930.45/5,639,134.55 - Step 6: Final answer
x = 4,786,381.17
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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.