Finding the Fourth Proportional to 3,895,509.16, 5,375,452.98 and 2,176,391.08
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Solution
The fourth proportional to 3,895,509.16, 5,375,452.98 and 2,176,391.08 is: 3,003,224.34
Step by Step Solution
- Step 1: Write the proportion equation
3,895,509.16 : 5,375,452.98 = 2,176,391.08 : x - Step 2: Convert to fraction form
3,895,509.16/5,375,452.98 = 2,176,391.08/x - Step 3: Cross multiply
3,895,509.16x = 5,375,452.98 × 2,176,391.08 - Step 4: Simplify right side
3,895,509.16x = 11,699,087,916,631.42 - Step 5: Solve for x
x = 11,699,087,916,631.42/3,895,509.16 - Step 6: Final answer
x = 3,003,224.34
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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.