Finding the Fourth Proportional to 1,542,283.36, 2,313,187.44 and 420,439.84
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Solution
The fourth proportional to 1,542,283.36, 2,313,187.44 and 420,439.84 is: 630,594.99
Step by Step Solution
- Step 1: Write the proportion equation
1,542,283.36 : 2,313,187.44 = 420,439.84 : x - Step 2: Convert to fraction form
1,542,283.36/2,313,187.44 = 420,439.84/x - Step 3: Cross multiply
1,542,283.36x = 2,313,187.44 × 420,439.84 - Step 4: Simplify right side
1,542,283.36x = 972,556,157,163.61 - Step 5: Solve for x
x = 972,556,157,163.61/1,542,283.36 - Step 6: Final answer
x = 630,594.99
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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.