Finding the Fourth Proportional to 6,398,021.23, 8,829,269.96 and 3,497,423.92
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Solution
The fourth proportional to 6,398,021.23, 8,829,269.96 and 3,497,423.92 is: 4,826,445.37
Step by Step Solution
- Step 1: Write the proportion equation
6,398,021.23 : 8,829,269.96 = 3,497,423.92 : x - Step 2: Convert to fraction form
6,398,021.23/8,829,269.96 = 3,497,423.92/x - Step 3: Cross multiply
6,398,021.23x = 8,829,269.96 × 3,497,423.92 - Step 4: Simplify right side
6,398,021.23x = 30,879,699,892,607.97 - Step 5: Solve for x
x = 30,879,699,892,607.97/6,398,021.23 - Step 6: Final answer
x = 4,826,445.37
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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.