Finding the Fourth Proportional to 1,865,415.48, 2,797,962.49 and 1,135,749.56
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Solution
The fourth proportional to 1,865,415.48, 2,797,962.49 and 1,135,749.56 is: 1,703,526.48
Step by Step Solution
- Step 1: Write the proportion equation
1,865,415.48 : 2,797,962.49 = 1,135,749.56 : x - Step 2: Convert to fraction form
1,865,415.48/2,797,962.49 = 1,135,749.56/x - Step 3: Cross multiply
1,865,415.48x = 2,797,962.49 × 1,135,749.56 - Step 4: Simplify right side
1,865,415.48x = 3,177,784,661,235.26 - Step 5: Solve for x
x = 3,177,784,661,235.26/1,865,415.48 - Step 6: Final answer
x = 1,703,526.48
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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.