Finding the Fourth Proportional to 1,693,877.09, 2,337,567.37 and 919,514.05
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Solution
The fourth proportional to 1,693,877.09, 2,337,567.37 and 919,514.05 is: 1,268,938.61
Step by Step Solution
- Step 1: Write the proportion equation
1,693,877.09 : 2,337,567.37 = 919,514.05 : x - Step 2: Convert to fraction form
1,693,877.09/2,337,567.37 = 919,514.05/x - Step 3: Cross multiply
1,693,877.09x = 2,337,567.37 × 919,514.05 - Step 4: Simplify right side
1,693,877.09x = 2,149,426,031,393.85 - Step 5: Solve for x
x = 2,149,426,031,393.85/1,693,877.09 - Step 6: Final answer
x = 1,268,938.61
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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.