Finding the Fourth Proportional to 1,588,779.72, 2,192,541.53 and 863,628.84
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Solution
The fourth proportional to 1,588,779.72, 2,192,541.53 and 863,628.84 is: 1,191,821.67
Step by Step Solution
- Step 1: Write the proportion equation
1,588,779.72 : 2,192,541.53 = 863,628.84 : x - Step 2: Convert to fraction form
1,588,779.72/2,192,541.53 = 863,628.84/x - Step 3: Cross multiply
1,588,779.72x = 2,192,541.53 × 863,628.84 - Step 4: Simplify right side
1,588,779.72x = 1,893,542,093,887.58 - Step 5: Solve for x
x = 1,893,542,093,887.58/1,588,779.72 - Step 6: Final answer
x = 1,191,821.67
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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.