Finding the Fourth Proportional to 5,625,634.97, 7,763,413.53 and 3,047,315.72
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Solution
The fourth proportional to 5,625,634.97, 7,763,413.53 and 3,047,315.72 is: 4,205,315.88
Step by Step Solution
- Step 1: Write the proportion equation
5,625,634.97 : 7,763,413.53 = 3,047,315.72 : x - Step 2: Convert to fraction form
5,625,634.97/7,763,413.53 = 3,047,315.72/x - Step 3: Cross multiply
5,625,634.97x = 7,763,413.53 × 3,047,315.72 - Step 4: Simplify right side
5,625,634.97x = 23,657,572,090,829.70 - Step 5: Solve for x
x = 23,657,572,090,829.70/5,625,634.97 - Step 6: Final answer
x = 4,205,315.88
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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.