Finding the Fourth Proportional to 2,137,413.95, 3,206,120.93 and 539,981.63
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Solution
The fourth proportional to 2,137,413.95, 3,206,120.93 and 539,981.63 is: 809,972.45
Step by Step Solution
- Step 1: Write the proportion equation
2,137,413.95 : 3,206,120.93 = 539,981.63 : x - Step 2: Convert to fraction form
2,137,413.95/3,206,120.93 = 539,981.63/x - Step 3: Cross multiply
2,137,413.95x = 3,206,120.93 × 539,981.63 - Step 4: Simplify right side
2,137,413.95x = 1,731,246,405,758.52 - Step 5: Solve for x
x = 1,731,246,405,758.52/2,137,413.95 - Step 6: Final answer
x = 809,972.45
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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.