Finding the Fourth Proportional to 4,079,905.40, 6,119,858.10 and 2,456,276.60
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Solution
The fourth proportional to 4,079,905.40, 6,119,858.10 and 2,456,276.60 is: 3,684,414.90
Step by Step Solution
- Step 1: Write the proportion equation
4,079,905.40 : 6,119,858.10 = 2,456,276.60 : x - Step 2: Convert to fraction form
4,079,905.40/6,119,858.10 = 2,456,276.60/x - Step 3: Cross multiply
4,079,905.40x = 6,119,858.10 × 2,456,276.60 - Step 4: Simplify right side
4,079,905.40x = 15,032,064,246,350.46 - Step 5: Solve for x
x = 15,032,064,246,350.46/4,079,905.40 - Step 6: Final answer
x = 3,684,414.90
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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.