Finding the Fourth Proportional to 2,801,413.20, 3,866,053.33 and 1,561,134.99
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Solution
The fourth proportional to 2,801,413.20, 3,866,053.33 and 1,561,134.99 is: 2,154,423.75
Step by Step Solution
- Step 1: Write the proportion equation
2,801,413.20 : 3,866,053.33 = 1,561,134.99 : x - Step 2: Convert to fraction form
2,801,413.20/3,866,053.33 = 1,561,134.99/x - Step 3: Cross multiply
2,801,413.20x = 3,866,053.33 × 1,561,134.99 - Step 4: Simplify right side
2,801,413.20x = 6,035,431,126,669.02 - Step 5: Solve for x
x = 6,035,431,126,669.02/2,801,413.20 - Step 6: Final answer
x = 2,154,423.75
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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.