Finding the Fourth Proportional to 2,250,809.79, 3,106,413.21 and 1,283,718.39
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Solution
The fourth proportional to 2,250,809.79, 3,106,413.21 and 1,283,718.39 is: 1,771,700.03
Step by Step Solution
- Step 1: Write the proportion equation
2,250,809.79 : 3,106,413.21 = 1,283,718.39 : x - Step 2: Convert to fraction form
2,250,809.79/3,106,413.21 = 1,283,718.39/x - Step 3: Cross multiply
2,250,809.79x = 3,106,413.21 × 1,283,718.39 - Step 4: Simplify right side
2,250,809.79x = 3,987,759,764,615.93 - Step 5: Solve for x
x = 3,987,759,764,615.93/2,250,809.79 - Step 6: Final answer
x = 1,771,700.03
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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.