Finding the Fourth Proportional to 1,542,415.60, 2,313,623.40 and 405,102.70
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Solution
The fourth proportional to 1,542,415.60, 2,313,623.40 and 405,102.70 is: 607,654.05
Step by Step Solution
- Step 1: Write the proportion equation
1,542,415.60 : 2,313,623.40 = 405,102.70 : x - Step 2: Convert to fraction form
1,542,415.60/2,313,623.40 = 405,102.70/x - Step 3: Cross multiply
1,542,415.60x = 2,313,623.40 × 405,102.70 - Step 4: Simplify right side
1,542,415.60x = 937,255,086,123.18 - Step 5: Solve for x
x = 937,255,086,123.18/1,542,415.60 - Step 6: Final answer
x = 607,654.05
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1.5x scale
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.