Finding the Fourth Proportional to 1,837,720.42, 2,756,711.94 and 489,876.10
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Solution
The fourth proportional to 1,837,720.42, 2,756,711.94 and 489,876.10 is: 734,849.15
Step by Step Solution
- Step 1: Write the proportion equation
1,837,720.42 : 2,756,711.94 = 489,876.10 : x - Step 2: Convert to fraction form
1,837,720.42/2,756,711.94 = 489,876.10/x - Step 3: Cross multiply
1,837,720.42x = 2,756,711.94 × 489,876.10 - Step 4: Simplify right side
1,837,720.42x = 1,350,447,293,990.63 - Step 5: Solve for x
x = 1,350,447,293,990.63/1,837,720.42 - Step 6: Final answer
x = 734,849.15
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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.