Finding the Fourth Proportional to 6,279,306.51, 8,662,969.99 and 3,628,402.35
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Solution
The fourth proportional to 6,279,306.51, 8,662,969.99 and 3,628,402.35 is: 5,005,766.26
Step by Step Solution
- Step 1: Write the proportion equation
6,279,306.51 : 8,662,969.99 = 3,628,402.35 : x - Step 2: Convert to fraction form
6,279,306.51/8,662,969.99 = 3,628,402.35/x - Step 3: Cross multiply
6,279,306.51x = 8,662,969.99 × 3,628,402.35 - Step 4: Simplify right side
6,279,306.51x = 31,432,740,608,238.61 - Step 5: Solve for x
x = 31,432,740,608,238.61/6,279,306.51 - Step 6: Final answer
x = 5,005,766.26
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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.