Finding the Fourth Proportional to 1,617,695.76, 2,232,413.68 and 892,588.56
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Solution
The fourth proportional to 1,617,695.76, 2,232,413.68 and 892,588.56 is: 1,231,768.64
Step by Step Solution
- Step 1: Write the proportion equation
1,617,695.76 : 2,232,413.68 = 892,588.56 : x - Step 2: Convert to fraction form
1,617,695.76/2,232,413.68 = 892,588.56/x - Step 3: Cross multiply
1,617,695.76x = 2,232,413.68 × 892,588.56 - Step 4: Simplify right side
1,617,695.76x = 1,992,626,911,955.50 - Step 5: Solve for x
x = 1,992,626,911,955.50/1,617,695.76 - Step 6: Final answer
x = 1,231,768.64
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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.