Finding the Fourth Proportional to 1,969,555.79, 2,720,229 and 1,323,854.97
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Solution
The fourth proportional to 1,969,555.79, 2,720,229 and 1,323,854.97 is: 1,828,426.85
Step by Step Solution
- Step 1: Write the proportion equation
1,969,555.79 : 2,720,229 = 1,323,854.97 : x - Step 2: Convert to fraction form
1,969,555.79/2,720,229 = 1,323,854.97/x - Step 3: Cross multiply
1,969,555.79x = 2,720,229 × 1,323,854.97 - Step 4: Simplify right side
1,969,555.79x = 3,601,188,681,188.13 - Step 5: Solve for x
x = 3,601,188,681,188.13/1,969,555.79 - Step 6: Final answer
x = 1,828,426.85
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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.