Finding the Fourth Proportional to 3,169,413.19, 4,373,758.03 and 1,719,077.49
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Solution
The fourth proportional to 3,169,413.19, 4,373,758.03 and 1,719,077.49 is: 2,372,309.49
Step by Step Solution
- Step 1: Write the proportion equation
3,169,413.19 : 4,373,758.03 = 1,719,077.49 : x - Step 2: Convert to fraction form
3,169,413.19/4,373,758.03 = 1,719,077.49/x - Step 3: Cross multiply
3,169,413.19x = 4,373,758.03 × 1,719,077.49 - Step 4: Simplify right side
3,169,413.19x = 7,518,828,976,079.75 - Step 5: Solve for x
x = 7,518,828,976,079.75/3,169,413.19 - Step 6: Final answer
x = 2,372,309.49
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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.