Finding the Fourth Proportional to 3,281,594.76, 4,913,799.48 and 2,638,480.68
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Solution
The fourth proportional to 3,281,594.76, 4,913,799.48 and 2,638,480.68 is: 3,950,812.32
Step by Step Solution
- Step 1: Write the proportion equation
3,281,594.76 : 4,913,799.48 = 2,638,480.68 : x - Step 2: Convert to fraction form
3,281,594.76/4,913,799.48 = 2,638,480.68/x - Step 3: Cross multiply
3,281,594.76x = 4,913,799.48 × 2,638,480.68 - Step 4: Simplify right side
3,281,594.76x = 12,964,964,993,374.05 - Step 5: Solve for x
x = 12,964,964,993,374.05/3,281,594.76 - Step 6: Final answer
x = 3,950,812.32
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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.