Finding the Fourth Proportional to 2,273,681.43, 3,129,716.27 and 1,982,779.76
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Solution
The fourth proportional to 2,273,681.43, 3,129,716.27 and 1,982,779.76 is: 2,729,290.92
Step by Step Solution
- Step 1: Write the proportion equation
2,273,681.43 : 3,129,716.27 = 1,982,779.76 : x - Step 2: Convert to fraction form
2,273,681.43/3,129,716.27 = 1,982,779.76/x - Step 3: Cross multiply
2,273,681.43x = 3,129,716.27 × 1,982,779.76 - Step 4: Simplify right side
2,273,681.43x = 6,205,538,087,479.94 - Step 5: Solve for x
x = 6,205,538,087,479.94/2,273,681.43 - Step 6: Final answer
x = 2,729,290.92
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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.