Finding the Fourth Proportional to 2,480,718.78, 3,720,413.97 and 683,175.06
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Solution
The fourth proportional to 2,480,718.78, 3,720,413.97 and 683,175.06 is: 1,024,579.67
Step by Step Solution
- Step 1: Write the proportion equation
2,480,718.78 : 3,720,413.97 = 683,175.06 : x - Step 2: Convert to fraction form
2,480,718.78/3,720,413.97 = 683,175.06/x - Step 3: Cross multiply
2,480,718.78x = 3,720,413.97 × 683,175.06 - Step 4: Simplify right side
2,480,718.78x = 2,541,694,037,179.59 - Step 5: Solve for x
x = 2,541,694,037,179.59/2,480,718.78 - Step 6: Final answer
x = 1,024,579.67
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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.