Finding the Fourth Proportional to 6,172,515.07, 8,518,138.92 and 3,419,244.67
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Solution
The fourth proportional to 6,172,515.07, 8,518,138.92 and 3,419,244.67 is: 4,718,595.38
Step by Step Solution
- Step 1: Write the proportion equation
6,172,515.07 : 8,518,138.92 = 3,419,244.67 : x - Step 2: Convert to fraction form
6,172,515.07/8,518,138.92 = 3,419,244.67/x - Step 3: Cross multiply
6,172,515.07x = 8,518,138.92 × 3,419,244.67 - Step 4: Simplify right side
6,172,515.07x = 29,125,601,057,938.86 - Step 5: Solve for x
x = 29,125,601,057,938.86/6,172,515.07 - Step 6: Final answer
x = 4,718,595.38
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1.5x scale
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.