Finding the Fourth Proportional to 4,863,315.30, 6,711,634.66 and 2,798,645.16
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Solution
The fourth proportional to 4,863,315.30, 6,711,634.66 and 2,798,645.16 is: 3,862,279.68
Step by Step Solution
- Step 1: Write the proportion equation
4,863,315.30 : 6,711,634.66 = 2,798,645.16 : x - Step 2: Convert to fraction form
4,863,315.30/6,711,634.66 = 2,798,645.16/x - Step 3: Cross multiply
4,863,315.30x = 6,711,634.66 × 2,798,645.16 - Step 4: Simplify right side
4,863,315.30x = 18,783,483,856,897.25 - Step 5: Solve for x
x = 18,783,483,856,897.25/4,863,315.30 - Step 6: Final answer
x = 3,862,279.68
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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.