Finding the Fourth Proportional to 3,211,171.34, 4,820,867.45 and 2,758,657.63
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Solution
The fourth proportional to 3,211,171.34, 4,820,867.45 and 2,758,657.63 is: 4,141,517.65
Step by Step Solution
- Step 1: Write the proportion equation
3,211,171.34 : 4,820,867.45 = 2,758,657.63 : x - Step 2: Convert to fraction form
3,211,171.34/4,820,867.45 = 2,758,657.63/x - Step 3: Cross multiply
3,211,171.34x = 4,820,867.45 × 2,758,657.63 - Step 4: Simplify right side
3,211,171.34x = 13,299,122,774,161.14 - Step 5: Solve for x
x = 13,299,122,774,161.14/3,211,171.34 - Step 6: Final answer
x = 4,141,517.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.