Finding the Fourth Proportional to 1,569,149.13, 2,353,723.70 and 387,197.13
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Solution
The fourth proportional to 1,569,149.13, 2,353,723.70 and 387,197.13 is: 580,795.70
Step by Step Solution
- Step 1: Write the proportion equation
1,569,149.13 : 2,353,723.70 = 387,197.13 : x - Step 2: Convert to fraction form
1,569,149.13/2,353,723.70 = 387,197.13/x - Step 3: Cross multiply
1,569,149.13x = 2,353,723.70 × 387,197.13 - Step 4: Simplify right side
1,569,149.13x = 911,355,061,452.98 - Step 5: Solve for x
x = 911,355,061,452.98/1,569,149.13 - Step 6: Final answer
x = 580,795.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.