Finding the Fourth Proportional to 3,286,413.68, 4,535,167.12 and 1,836,120.02
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Solution
The fourth proportional to 3,286,413.68, 4,535,167.12 and 1,836,120.02 is: 2,533,798.83
Step by Step Solution
- Step 1: Write the proportion equation
3,286,413.68 : 4,535,167.12 = 1,836,120.02 : x - Step 2: Convert to fraction form
3,286,413.68/4,535,167.12 = 1,836,120.02/x - Step 3: Cross multiply
3,286,413.68x = 4,535,167.12 × 1,836,120.02 - Step 4: Simplify right side
3,286,413.68x = 8,327,111,115,811.61 - Step 5: Solve for x
x = 8,327,111,115,811.61/3,286,413.68 - Step 6: Final answer
x = 2,533,798.83
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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.