Finding the Fourth Proportional to 1,476,803.20, 2,037,987.20 and 797,739.52
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Solution
The fourth proportional to 1,476,803.20, 2,037,987.20 and 797,739.52 is: 1,100,879.88
Step by Step Solution
- Step 1: Write the proportion equation
1,476,803.20 : 2,037,987.20 = 797,739.52 : x - Step 2: Convert to fraction form
1,476,803.20/2,037,987.20 = 797,739.52/x - Step 3: Cross multiply
1,476,803.20x = 2,037,987.20 × 797,739.52 - Step 4: Simplify right side
1,476,803.20x = 1,625,782,930,694.14 - Step 5: Solve for x
x = 1,625,782,930,694.14/1,476,803.20 - Step 6: Final answer
x = 1,100,879.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.