Finding the Fourth Proportional to 1,489,533.97, 2,055,708.30 and 877,883.80
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Solution
The fourth proportional to 1,489,533.97, 2,055,708.30 and 877,883.80 is: 1,211,568.89
Step by Step Solution
- Step 1: Write the proportion equation
1,489,533.97 : 2,055,708.30 = 877,883.80 : x - Step 2: Convert to fraction form
1,489,533.97/2,055,708.30 = 877,883.80/x - Step 3: Cross multiply
1,489,533.97x = 2,055,708.30 × 877,883.80 - Step 4: Simplify right side
1,489,533.97x = 1,804,673,014,095.54 - Step 5: Solve for x
x = 1,804,673,014,095.54/1,489,533.97 - Step 6: Final answer
x = 1,211,568.89
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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.