Finding the Fourth Proportional to 2,916,268.80, 4,374,403.20 and 2,207,680.80
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Solution
The fourth proportional to 2,916,268.80, 4,374,403.20 and 2,207,680.80 is: 3,311,521.20
Step by Step Solution
- Step 1: Write the proportion equation
2,916,268.80 : 4,374,403.20 = 2,207,680.80 : x - Step 2: Convert to fraction form
2,916,268.80/4,374,403.20 = 2,207,680.80/x - Step 3: Cross multiply
2,916,268.80x = 4,374,403.20 × 2,207,680.80 - Step 4: Simplify right side
2,916,268.80x = 9,657,285,956,098.56 - Step 5: Solve for x
x = 9,657,285,956,098.56/2,916,268.80 - Step 6: Final answer
x = 3,311,521.20
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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.