Finding the Fourth Proportional to 2,637,538.44, 3,955,986.87 and 1,121,830.80
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Solution
The fourth proportional to 2,637,538.44, 3,955,986.87 and 1,121,830.80 is: 1,682,609.76
Step by Step Solution
- Step 1: Write the proportion equation
2,637,538.44 : 3,955,986.87 = 1,121,830.80 : x - Step 2: Convert to fraction form
2,637,538.44/3,955,986.87 = 1,121,830.80/x - Step 3: Cross multiply
2,637,538.44x = 3,955,986.87 × 1,121,830.80 - Step 4: Simplify right side
2,637,538.44x = 4,437,947,915,161.60 - Step 5: Solve for x
x = 4,437,947,915,161.60/2,637,538.44 - Step 6: Final answer
x = 1,682,609.76
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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.