Finding the Fourth Proportional to 1,548,413.04, 2,136,754.92 and 869,378.16
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Solution
The fourth proportional to 1,548,413.04, 2,136,754.92 and 869,378.16 is: 1,199,710.94
Step by Step Solution
- Step 1: Write the proportion equation
1,548,413.04 : 2,136,754.92 = 869,378.16 : x - Step 2: Convert to fraction form
1,548,413.04/2,136,754.92 = 869,378.16/x - Step 3: Cross multiply
1,548,413.04x = 2,136,754.92 × 869,378.16 - Step 4: Simplify right side
1,548,413.04x = 1,857,648,060,720.55 - Step 5: Solve for x
x = 1,857,648,060,720.55/1,548,413.04 - Step 6: Final answer
x = 1,199,710.94
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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.