Finding the Fourth Proportional to 1,973,689.22, 2,723,849.36 and 1,569,129.75
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Solution
The fourth proportional to 1,973,689.22, 2,723,849.36 and 1,569,129.75 is: 2,165,524.86
Step by Step Solution
- Step 1: Write the proportion equation
1,973,689.22 : 2,723,849.36 = 1,569,129.75 : x - Step 2: Convert to fraction form
1,973,689.22/2,723,849.36 = 1,569,129.75/x - Step 3: Cross multiply
1,973,689.22x = 2,723,849.36 × 1,569,129.75 - Step 4: Simplify right side
1,973,689.22x = 4,274,073,065,294.46 - Step 5: Solve for x
x = 4,274,073,065,294.46/1,973,689.22 - Step 6: Final answer
x = 2,165,524.86
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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.