Finding the Fourth Proportional to 2,389,305.87, 3,297,240.68 and 1,316,217.87
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Solution
The fourth proportional to 2,389,305.87, 3,297,240.68 and 1,316,217.87 is: 1,816,379.88
Step by Step Solution
- Step 1: Write the proportion equation
2,389,305.87 : 3,297,240.68 = 1,316,217.87 : x - Step 2: Convert to fraction form
2,389,305.87/3,297,240.68 = 1,316,217.87/x - Step 3: Cross multiply
2,389,305.87x = 3,297,240.68 × 1,316,217.87 - Step 4: Simplify right side
2,389,305.87x = 4,339,887,098,125.86 - Step 5: Solve for x
x = 4,339,887,098,125.86/2,389,305.87 - Step 6: Final answer
x = 1,816,379.88
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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.