Finding the Fourth Proportional to 1,422,262.14, 2,133,395.26 and 580,813.88
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Solution
The fourth proportional to 1,422,262.14, 2,133,395.26 and 580,813.88 is: 871,221.66
Step by Step Solution
- Step 1: Write the proportion equation
1,422,262.14 : 2,133,395.26 = 580,813.88 : x - Step 2: Convert to fraction form
1,422,262.14/2,133,395.26 = 580,813.88/x - Step 3: Cross multiply
1,422,262.14x = 2,133,395.26 × 580,813.88 - Step 4: Simplify right side
1,422,262.14x = 1,239,105,578,534.21 - Step 5: Solve for x
x = 1,239,105,578,534.21/1,422,262.14 - Step 6: Final answer
x = 871,221.66
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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.