Finding the Fourth Proportional to 2,687,413.13, 3,708,630.16 and 1,480,189.13
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Solution
The fourth proportional to 2,687,413.13, 3,708,630.16 and 1,480,189.13 is: 2,042,661.02
Step by Step Solution
- Step 1: Write the proportion equation
2,687,413.13 : 3,708,630.16 = 1,480,189.13 : x - Step 2: Convert to fraction form
2,687,413.13/3,708,630.16 = 1,480,189.13/x - Step 3: Cross multiply
2,687,413.13x = 3,708,630.16 × 1,480,189.13 - Step 4: Simplify right side
2,687,413.13x = 5,489,474,050,022.16 - Step 5: Solve for x
x = 5,489,474,050,022.16/2,687,413.13 - Step 6: Final answer
x = 2,042,661.02
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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.