Finding the Fourth Proportional to 6,339,988.36, 8,749,183.98 and 3,623,792.68
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Solution
The fourth proportional to 6,339,988.36, 8,749,183.98 and 3,623,792.68 is: 5,000,833.92
Step by Step Solution
- Step 1: Write the proportion equation
6,339,988.36 : 8,749,183.98 = 3,623,792.68 : x - Step 2: Convert to fraction form
6,339,988.36/8,749,183.98 = 3,623,792.68/x - Step 3: Cross multiply
6,339,988.36x = 8,749,183.98 × 3,623,792.68 - Step 4: Simplify right side
6,339,988.36x = 31,705,228,862,697.27 - Step 5: Solve for x
x = 31,705,228,862,697.27/6,339,988.36 - Step 6: Final answer
x = 5,000,833.92
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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.