Finding the Fourth Proportional to 5,459,708.10, 8,189,562.15 and 3,668,117.70
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Solution
The fourth proportional to 5,459,708.10, 8,189,562.15 and 3,668,117.70 is: 5,502,176.55
Step by Step Solution
- Step 1: Write the proportion equation
5,459,708.10 : 8,189,562.15 = 3,668,117.70 : x - Step 2: Convert to fraction form
5,459,708.10/8,189,562.15 = 3,668,117.70/x - Step 3: Cross multiply
5,459,708.10x = 8,189,562.15 × 3,668,117.70 - Step 4: Simplify right side
5,459,708.10x = 30,040,277,877,665.06 - Step 5: Solve for x
x = 30,040,277,877,665.06/5,459,708.10 - Step 6: Final answer
x = 5,502,176.55
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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.