Finding the Fourth Proportional to 2,628,329.66, 3,942,468.18 and 831,213.44
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Solution
The fourth proportional to 2,628,329.66, 3,942,468.18 and 831,213.44 is: 1,246,811.84
Step by Step Solution
- Step 1: Write the proportion equation
2,628,329.66 : 3,942,468.18 = 831,213.44 : x - Step 2: Convert to fraction form
2,628,329.66/3,942,468.18 = 831,213.44/x - Step 3: Cross multiply
2,628,329.66x = 3,942,468.18 × 831,213.44 - Step 4: Simplify right side
2,628,329.66x = 3,277,032,533,060.25 - Step 5: Solve for x
x = 3,277,032,533,060.25/2,628,329.66 - Step 6: Final answer
x = 1,246,811.84
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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.