Finding the Fourth Proportional to 2,282,229.74, 3,149,515.72 and 1,249,720.94
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Solution
The fourth proportional to 2,282,229.74, 3,149,515.72 and 1,249,720.94 is: 1,724,636.08
Step by Step Solution
- Step 1: Write the proportion equation
2,282,229.74 : 3,149,515.72 = 1,249,720.94 : x - Step 2: Convert to fraction form
2,282,229.74/3,149,515.72 = 1,249,720.94/x - Step 3: Cross multiply
2,282,229.74x = 3,149,515.72 × 1,249,720.94 - Step 4: Simplify right side
2,282,229.74x = 3,936,015,746,143.18 - Step 5: Solve for x
x = 3,936,015,746,143.18/2,282,229.74 - Step 6: Final answer
x = 1,724,636.08
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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.