Finding the Fourth Proportional to 4,192,138.80, 6,289,537.68 and 1,496,404.80
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Solution
The fourth proportional to 4,192,138.80, 6,289,537.68 and 1,496,404.80 is: 2,245,081.76
Step by Step Solution
- Step 1: Write the proportion equation
4,192,138.80 : 6,289,537.68 = 1,496,404.80 : x - Step 2: Convert to fraction form
4,192,138.80/6,289,537.68 = 1,496,404.80/x - Step 3: Cross multiply
4,192,138.80x = 6,289,537.68 × 1,496,404.80 - Step 4: Simplify right side
4,192,138.80x = 9,411,694,374,132.86 - Step 5: Solve for x
x = 9,411,694,374,132.86/4,192,138.80 - Step 6: Final answer
x = 2,245,081.76
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1.5x scale
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.