Finding the Fourth Proportional to 2,279,413.30, 3,419,119.95 and 2,058,963.70
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Solution
The fourth proportional to 2,279,413.30, 3,419,119.95 and 2,058,963.70 is: 3,088,445.55
Step by Step Solution
- Step 1: Write the proportion equation
2,279,413.30 : 3,419,119.95 = 2,058,963.70 : x - Step 2: Convert to fraction form
2,279,413.30/3,419,119.95 = 2,058,963.70/x - Step 3: Cross multiply
2,279,413.30x = 3,419,119.95 × 2,058,963.70 - Step 4: Simplify right side
2,279,413.30x = 7,039,843,862,995.82 - Step 5: Solve for x
x = 7,039,843,862,995.82/2,279,413.30 - Step 6: Final answer
x = 3,088,445.55
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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.