Finding the Fourth Proportional to 1,542,203.58, 2,313,789.31 and 927,415.13
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Solution
The fourth proportional to 1,542,203.58, 2,313,789.31 and 927,415.13 is: 1,391,413.72
Step by Step Solution
- Step 1: Write the proportion equation
1,542,203.58 : 2,313,789.31 = 927,415.13 : x - Step 2: Convert to fraction form
1,542,203.58/2,313,789.31 = 927,415.13/x - Step 3: Cross multiply
1,542,203.58x = 2,313,789.31 × 927,415.13 - Step 4: Simplify right side
1,542,203.58x = 2,145,843,213,726.26 - Step 5: Solve for x
x = 2,145,843,213,726.26/1,542,203.58 - Step 6: Final answer
x = 1,391,413.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.