Finding the Fourth Proportional to 2,047,641.68, 2,825,726.64 and 1,129,879.28
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Solution
The fourth proportional to 2,047,641.68, 2,825,726.64 and 1,129,879.28 is: 1,559,222.99
Step by Step Solution
- Step 1: Write the proportion equation
2,047,641.68 : 2,825,726.64 = 1,129,879.28 : x - Step 2: Convert to fraction form
2,047,641.68/2,825,726.64 = 1,129,879.28/x - Step 3: Cross multiply
2,047,641.68x = 2,825,726.64 × 1,129,879.28 - Step 4: Simplify right side
2,047,641.68x = 3,192,729,981,480.02 - Step 5: Solve for x
x = 3,192,729,981,480.02/2,047,641.68 - Step 6: Final answer
x = 1,559,222.99
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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.