Finding the Fourth Proportional to 1,584,261.60, 2,377,558.80 and 638,311.20
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Solution
The fourth proportional to 1,584,261.60, 2,377,558.80 and 638,311.20 is: 957,936.75
Step by Step Solution
- Step 1: Write the proportion equation
1,584,261.60 : 2,377,558.80 = 638,311.20 : x - Step 2: Convert to fraction form
1,584,261.60/2,377,558.80 = 638,311.20/x - Step 3: Cross multiply
1,584,261.60x = 2,377,558.80 × 638,311.20 - Step 4: Simplify right side
1,584,261.60x = 1,517,622,410,698.56 - Step 5: Solve for x
x = 1,517,622,410,698.56/1,584,261.60 - Step 6: Final answer
x = 957,936.75
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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.