Finding the Fourth Proportional to 4,315,998.40, 6,473,997.60 and 2,720,363.20
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Solution
The fourth proportional to 4,315,998.40, 6,473,997.60 and 2,720,363.20 is: 4,080,544.80
Step by Step Solution
- Step 1: Write the proportion equation
4,315,998.40 : 6,473,997.60 = 2,720,363.20 : x - Step 2: Convert to fraction form
4,315,998.40/6,473,997.60 = 2,720,363.20/x - Step 3: Cross multiply
4,315,998.40x = 6,473,997.60 × 2,720,363.20 - Step 4: Simplify right side
4,315,998.40x = 17,611,624,827,928.32 - Step 5: Solve for x
x = 17,611,624,827,928.32/4,315,998.40 - Step 6: Final answer
x = 4,080,544.80
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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.