Finding the Fourth Proportional to 2,058,270.75, 2,840,413.64 and 1,253,454.75
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Solution
The fourth proportional to 2,058,270.75, 2,840,413.64 and 1,253,454.75 is: 1,729,767.56
Step by Step Solution
- Step 1: Write the proportion equation
2,058,270.75 : 2,840,413.64 = 1,253,454.75 : x - Step 2: Convert to fraction form
2,058,270.75/2,840,413.64 = 1,253,454.75/x - Step 3: Cross multiply
2,058,270.75x = 2,840,413.64 × 1,253,454.75 - Step 4: Simplify right side
2,058,270.75x = 3,560,329,962,755.52 - Step 5: Solve for x
x = 3,560,329,962,755.52/2,058,270.75 - Step 6: Final answer
x = 1,729,767.56
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1.5x scale
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.