Finding the Fourth Proportional to 4,156,943.20, 6,235,414.80 and 2,554,309.60
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Solution
The fourth proportional to 4,156,943.20, 6,235,414.80 and 2,554,309.60 is: 3,831,464.40
Step by Step Solution
- Step 1: Write the proportion equation
4,156,943.20 : 6,235,414.80 = 2,554,309.60 : x - Step 2: Convert to fraction form
4,156,943.20/6,235,414.80 = 2,554,309.60/x - Step 3: Cross multiply
4,156,943.20x = 6,235,414.80 × 2,554,309.60 - Step 4: Simplify right side
4,156,943.20x = 15,927,179,883,622.08 - Step 5: Solve for x
x = 15,927,179,883,622.08/4,156,943.20 - Step 6: Final answer
x = 3,831,464.40
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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.