Finding the Fourth Proportional to 5,471,423.70, 8,207,135.55 and 1,686,066.90
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Solution
The fourth proportional to 5,471,423.70, 8,207,135.55 and 1,686,066.90 is: 2,529,100.35
Step by Step Solution
- Step 1: Write the proportion equation
5,471,423.70 : 8,207,135.55 = 1,686,066.90 : x - Step 2: Convert to fraction form
5,471,423.70/8,207,135.55 = 1,686,066.90/x - Step 3: Cross multiply
5,471,423.70x = 8,207,135.55 × 1,686,066.90 - Step 4: Simplify right side
5,471,423.70x = 13,837,779,594,668.29 - Step 5: Solve for x
x = 13,837,779,594,668.29/5,471,423.70 - Step 6: Final answer
x = 2,529,100.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.