Finding the Fourth Proportional to 1,556,661.28, 2,334,798.68 and 419,512.44
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Solution
The fourth proportional to 1,556,661.28, 2,334,798.68 and 419,512.44 is: 629,216.58
Step by Step Solution
- Step 1: Write the proportion equation
1,556,661.28 : 2,334,798.68 = 419,512.44 : x - Step 2: Convert to fraction form
1,556,661.28/2,334,798.68 = 419,512.44/x - Step 3: Cross multiply
1,556,661.28x = 2,334,798.68 × 419,512.44 - Step 4: Simplify right side
1,556,661.28x = 979,477,091,155.58 - Step 5: Solve for x
x = 979,477,091,155.58/1,556,661.28 - Step 6: Final answer
x = 629,216.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.