Finding the Fourth Proportional to 3,895,642.59, 5,375,883.65 and 2,176,777.23
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Solution
The fourth proportional to 3,895,642.59, 5,375,883.65 and 2,176,777.23 is: 3,003,894.95
Step by Step Solution
- Step 1: Write the proportion equation
3,895,642.59 : 5,375,883.65 = 2,176,777.23 : x - Step 2: Convert to fraction form
3,895,642.59/5,375,883.65 = 2,176,777.23/x - Step 3: Cross multiply
3,895,642.59x = 5,375,883.65 × 2,176,777.23 - Step 4: Simplify right side
3,895,642.59x = 11,702,101,109,565.40 - Step 5: Solve for x
x = 11,702,101,109,565.40/3,895,642.59 - Step 6: Final answer
x = 3,003,894.95
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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.