Finding the Fourth Proportional to 1,541,973.09, 2,128,145.54 and 888,473.93
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Solution
The fourth proportional to 1,541,973.09, 2,128,145.54 and 888,473.93 is: 1,226,222.33
Step by Step Solution
- Step 1: Write the proportion equation
1,541,973.09 : 2,128,145.54 = 888,473.93 : x - Step 2: Convert to fraction form
1,541,973.09/2,128,145.54 = 888,473.93/x - Step 3: Cross multiply
1,541,973.09x = 2,128,145.54 × 888,473.93 - Step 4: Simplify right side
1,541,973.09x = 1,890,801,832,413.77 - Step 5: Solve for x
x = 1,890,801,832,413.77/1,541,973.09 - Step 6: Final answer
x = 1,226,222.33
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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.